This document contains all information about additions and changes introduced with system versions 2
and 3. Depending on the system version you are currently using, you may only need to read part of this
document.
OS version 2.0 of the G-70 introduces the following enhancements and additions. Some explanations in
this document need to be supplemented with the information in the Version 1.x owner’s manual.
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Playing realistic guitar parts
(Guitar mode)
Your G-70 provides a Guitar mode that allows you to
play extremely realistic guitar parts via the keyboard.
As you will see, this mode relies on a special approach,
which is nevertheless very musical and surprisingly logical once you have come to grips with the underlying
principle.
When you activate the Guitar mode, the UP1 part acts
as main guitar, while the UP2 part is used as additional
guitar that doubles the notes of the main guitar part.
This means that, while the Guitar mode is active, UP1
and UP2 cannot be used for other melodic purposes.
Though, with a little practice, you can also use it in
realtime, the Guitar mode will prove invaluable for song
and Style recording.
(1) Simultaneously press the EASY SETTING
[PIANO]
buttons.
ARR ORGAN PIANO
[ARR]
and
G-70 Music Workstation
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OS Version 2
The UPPER1 field below “GUITAR MODE” shows the
name of the currently selected guitar sound. You
cannot select other guitar sound for UPPER 1 simply
by pressing this field: press the “GUITAR MODE” field
to jump to the page shown above, then change the
settings you don’t like. (UPPER2’s guitar sound is
assigned automatically and can never be changed.)
A
Pressing the A field on the main page takes you to
the GUITAR MODE page. Note that this field can
either contain an electric guitar or an acoustic one to
indicate the kind of instrument you selected.
This field duplicates the function of the EASY SETTING
[ARR]
+
[PIANO]
buttons. (See also below.)
ENGLISHENGLISH
Note:
You can also select this page by pressing
→ [GUITAR¥MODE]
Guitar mode on using the
. In that case, you may need to switch the
[Off/On]
switch icon (see below).
[MENU]
button
The indicators of these two buttons light and the display changes to:
The
[Off÷On]
switch icon allows you switch the Guitar
mode on or off. If you selected this page by pressing
EASY SETTING
[ARR]
+
[PIANO]
, it is already set to on.
If you now return to the main page by pressing the
[EXIT]
button, the display changes:
First steps
(2) Press the
specify whether you need an electric or an acoustic
guitar.
Your choice is reflected by the big guitar picture in
the upper right part of the display.
(3) Play a chord in the keyboard area called “CHORD”
in the display.
(You can release those keys right away if you like.)
Note:
“ARPEGGIO” and “STRUMM” areas, see below) also trigger
other Keyboard parts you may have switched on. Depending
on the Keyboard parts you switch on, those keys may play the
MBS, LW2, LW1 (left half) and the UP3 part (right side, in the
Upper3 Split area). Even the Arranger’s chord recognition
remains active.
The notes you play in the “CHORD” area are not
played by the G-70’s Guitar section. They only specify
what you will hear when you…
(4) Press the first “C” key to the right of the “CHORD”
area.
[ELECTRIC]
Play chords here
The keys in the “CHORD” area (unlike the ones of the
or
[ACOUSTIC]
switch icon to
Low E string
A string
D string
ENGLISHENGLISH
High E string
B string
G string
3
G-70
Music Workstation
OS Version 2
This sounds the note a guitarist would play on the
low E string. The key you are pressing now belongs to
the “ARPEGGIO” section.
(5) Now press the “D” to the right of the “C” you used
above.
This sounds the note a guitarist would play on the A
string.
(6) Continue with the “E”, “F”, “G” and “A” keys to
sound the remaining guitar notes for the chord
you specified.
Let us summarize all this: the six keys you have
pressed so far are assigned to the virtual guitar
strings. This allows you to play guitar arpeggios that
use the chord information you supplied in the
“CHORD” area. The exact phrasing of your arpeggios
depends on the order in which you press the keys.
If you start pressing these “string” keys right after
switching on the G-70 (and before specifying a
chord), the Guitar mode sounds the basic pitches of
the six strings (i.e. E-A-D-G-B-E). As soon as you play
a chord in the “CHORD” area, however, the G-70
memorizes and uses it until you play a different
chord.
(7) Play a different chord in the “CHORD” area and
again use the “string” keys (in the “ARPEGGIO”
area) to sound the constituent notes.
Additional ARPEGGIO functions
The keys indicated in the previous illustration correspond to the natural behavior of a guitar. But there are
other things you can do in the “ARPEGGIO” area (most
of these functions involve the black keys of the
“ARPEGGIO” area):
Lowest chord note
Strum down slow (6 strings)
Strum down slow (4 strings)
●
Fifth of the chord (Ab4)—
last chord you specified (the G of a “C” chord, for example). Consider combining it with the next function for
popular guitar licks based on the alternation between
the root and the fifth. (You can also play them together,
of course.)
●
Root of the chord (Bb4)—
key always sounds the root note of the last chord you
specified, i.e. a C for a “C” chord, an E for an “E” chord,
etc.
This key plays the fifth of the
Unlike the B3 or the F#4, this
Leaving the G-70’s Guitar mode
To leave the Guitar mode, press any EASY SETTING
(
[ARR], [ORGAN]
(
[SPLIT]
or
or
[WHOLE]
[PIANO]
) or KBD MODE button
), or the
[Off÷On]
switch icon on the
GUITAR MODE page (to select “Off”).
Alternatively, you can select a User Program that
doesn’t use the Guitar mode.
Selecting guitar sounds
Now that you know how to use some of the Guitar
functions, let’s try these techniques with different
sounds. Additional playing techniques are discussed
under “Using the available STRUMM techniques” on
p. 5.
(1) Simultaneously press the EASY SETTING
[PIANO]
buttons.
Note:
You can also select this page by pressing
→ [GUITAR¥MODE]
Guitar mode on using the
. In that case, you may need to switch the
[Off/On]
switch icon (see below).
The indicators of these two buttons light and the display changes to:
[ARR]
[MENU]
and
button
Root of the chord
Fifth of the chord
Lowest chord note
(1) Play a chord in the keyboard area called “CHORD”
in the display.
(2) Press one of the following keys to use the “effect”
assigned to it:
●
Lowest chord note (B3 & F#4)—
sound the lowest note of the chords you play in the
“CHORD” area. Here’s an example: if you play a “C” chord
using the C-E-G keys, this function sounds a C. If you
play that same chord using G-C-E, this function sounds
a G.
●
Strum down slow (6 strings) (C#4)—
six strings to sound more or less at the same time. Later
on, you will discover there is also a “fast” variety where
all strings are hit almost simultaneously. “Down”, by the
way, means that the simulated plectrum (or thumb/finger) moves from the upper part of the guitar (the low E
string) towards the floor.
●
Strum down slow (4 strings) (Eb4)—
the above, except that only four notes are played.
These keys allow you to
This key causes all
This is similar to
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4
The
[Off÷On]
switch icon allows you switch the Guitar
mode on or off. If you selected this page by pressing
EASY SETTING
(2) Press the
[ARR]
[ELECTRIC]
+
[PIANO]
or
[ACOUSTIC]
, it is already set to on.
switch icon to
specify whether you need an electric or an acoustic
guitar.
This is an important choice to make, because it determines which guitar sounds can be selected (electric
or acoustic ones).
(3) Select the desired sound (see the upper left corner)
with the
[DATA÷ENTRY]
dial or the
[DEC]/[INC]
but-
tons.
G-70 Music Workstation
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The possibilities are:
ELECTRIC
01: Jazz Man
02: Open Hard
03: O.H. DstFX
04: Open Hard2
05: O.H.2 OvdFX
06: V Jazz Gtr
07: V Cln Half
08: V Dist. 3
09: V Warm Drv
10: V Power 3
11 Dist Guitar
ACOUSTIC
01: V Nylon
02: V Steel 2
03: V Steel 3
04: V Steel 4
05: V Steel 5
06: V 2 Guitars
07: V Nyl+Steel
08: V Nyl+Stee2
About the chord indications
The GUITAR MODE page contains a
“window” that shows you how the
chords you play on the keyboard are
transformed into guitar chords. The
small numbers refer to the lowest fret
being used. An “x” means that the string in question
doesn’t sound (guitarists sometimes use only four or
three strings for their chords). And finally: the strings
are shown from high E (top) to low E (bottom) – that’s
how guitar tablatures are usually printed. The guitar
neck has therefore been turned upside down.
Using the available STRUMM techniques
While the “ARPEGGIO” area essentially provides functions that allow you to “compose” your own guitar
parts in realtime, the “STRUMM” area contains a series
of presets for various strumming techniques. “Strumming”, as you may know, means that all guitar strings
are played more or less simultaneously using a plectrum or one’s fingers.
All functions discussed below use the chords you specify in the “CHORD” area (see above). Here are the keys
that make up the “STRUMM” section:
C5F6
Play chords hereSelect strumming patterns
The keys to the right of the “STRUMM” area can be used
to play the UP3 part. This allows you to alternate
between a guitar part and another instrument. (The
LW1, LW2, and MBS parts can always be played via the
“CHORD” area. The only thing you need to do is to
switch them on.)
Note:
As stated earlier, UP1 and UP2 are not available in Guitar
mode, because they are used as guitar parts.
Note:
The G-70’s Arranger can also be used and controlled while
Guitar mode is active, so that the chords you play with your left
hand are used both by the G-70’s Arranger and its Guitar mode
functionality.
(1) Select the required guitar type (ELECTRIC or
ACOUSTIC) and the desired sound.
See “Selecting guitar sounds”.
(2) Play a chord in the keyboard area called “CHORD”
in the display.
(3) Press one of the following keys to specify how your
virtual guitar should be played.
here
The lowest “STRUMM” key is called “C5”, the black key
next to it “C#5”, etc.
Some of the keys mentioned below produce two
effects: one when you press (“e”) them, another
when you release (“a”) them. Entries without those
symbols are “one-way” and therefore only trigger an
effect when you press them.
● Down fast (C5)—This key causes all six strings to sound
at the same time. This is the fast version of the strumming pattern mentioned earlier. (The slow version can
also be played using the F#5 key.)
● e Down fast/a up fast (C#5)—Pressing this key trig-
gers a fast downward strum. “Down” means that the
simulated plectrum (or thumb/finger) moves from the
lowest to the highest string (i.e. towards the lower part
of the guitar). Releasing this key will trigger an upward
strum (in the opposite direction).
● Up fast (D5)—This key causes all six strings to sound at
the same time, this time from the highest to the lowest
string.
● e Down fast mute/a up fast (Eb5)—Here is another
downward strum that is muted almost instantly when
you press this key. Guitarists achieve this effect by putting their hand on all strings. When you release this key,
your virtual guitar plays an upward strum, which is not
muted.
● e Down fast/a up fast mute (E5)—This is the oppo-
site of the previous pattern: the upward strum is muted,
while the downward is not.
● Down fast mute (F5)—This key triggers a downward
strum that is muted almost instantly.
● Down slow (F#5)—This key yields the same effect as the
C#4 (in the “ARPEGGIO” area).
● Down fast mute + knock (G5)—Here is a more elabo-
rate technique, especially suited for acoustic guitars: a
downward strum that is muted almost instantly and
accompanied by a “knocking” sound.
● Up slow (Ab5)—This is a slow upward strum.
● Down slow mute (A5)—Here’s a slightly slower down-
ward strum that is muted.
● e Down fast 4/a up fast mute 4 (Bb5)—Here again is
a two-way technique. This one, however, only uses the
highest 4 strings.
● Power chords 3 (B5)—This pattern is intended for elec-
tric guitar sounds, usually also with some distortion.
Only the lowest 3 strings are “played”.
● Down fast 4 (C6)—Here’s another downward strum that
only uses the highest 4 strings.
● e Down fast 4/a up fast 4 (C#6)—Again a combined
strumming pattern. Here, too, only the highest 4 strings
are used.
● Up fast 4 (D6)—An upward strum based on 4 strings.
● e Down fast mute 4/a up fast 4 (Eb6)—Again 4 sim-
ulated strings that are strummed in two directions. The
downward strum is muted.
● e Down fast 4/a up fast mute 4 (E6)—This is the
opposite of the previous pattern: here, the fast upward
strum is muted.
● Down fast mute (F6)—And finally a “one-way” pattern
that produces a fast downward strum, which is muted.
ENGLISHENGLISH
ENGLISHENGLISH
5
G-70 Music Workstation
OS Version 2
Playing question and answer phrases
It is also possible to temporarily “remove” the Guitar
function from the keyboard and to play the UP3 in the
entire right half (i.e. to temporarily deactivate the
ARPEGGIO and STRUMM areas). After some practice,
this should allow you to alternate between a guitar and
another melodic instrument part.
(1) Use the PART ON/OFF buttons to switch on the
part you want to play instead of the Guitar section.
UP3 would be an obvious choice.
(2) While the Guitar mode is active, switch off the
PART ON/OFF [UP1] button.
KEYBOARD PART
TONE ASSIGN
MBS LW 2 LW 1
The EASY SETTING [ARR] and [PIANO] indicators flash
to signal that the Guitar mode is being bypassed.
(3) Play on the keyboard.
Now, the UP3 part sounds (UP1 and UP2 are not
available).
(4) Switch on the PART ON/OFF [UP1] button to restore
the G-70’s Guitar mode and play the next guitar
bit.
To leave the Guitar mode, press any EASY SETTING
([ARR], [ORGAN] or [PIANO]) or KBD MODE button
([SPLIT] or ([WHOLE]), or the [Off÷On] switch icon on
the GUITAR MODE page (to select “Off”).
Alternatively, you can select a User Program that
doesn’t use the Guitar mode.
UP 3 UP 2 UP 1
PART ON/OFF
Guitar Mode Options
There are additional functions you can set to fine-tune
your virtual guitar’s behavior. Using the DOUBLING section, you can even add a second guitar sound.
(1) On the “GUITAR MODE” page, press the [OPTIONS]
field.
The display changes to:
(2) Press the switch icon of the parameter you want to
switch on or off. Use the [DATA÷ENTRY] dial (or
[DEC]/[INC] buttons) to set the STEREO WIDTH
parameter.
Here is what the parameters mean and do:
● RETRIGGER—This parameter allows you to specify
whether the arpeggio notes of the key(s) you are pressing in the “ARPEGGIO” or “STRUMM” area are replayed
again when you play another chord in the “CHORD” area.
This function is on by default.
● CHORD OFF MUTING—Switch this function on when
you want to mute the virtual guitar strings by releasing
all keys in the “CHORD” area. That way, your left hand
can be used for occasional “mute” instances whose
effect is similar to the one obtained with any of the
“mute” patterns in the “STRUMM” area.
● “V” NOISES—Guitar parts usually also contain gentle
squeaking and sliding noises. Use this function to add
such noises to your virtual guitar parts (or to switch
them off if you don’t like them).
● ADAPT CHORD—Switch this parameter on if your virtual
guitar should adapt its chord voicings to the inversions
you play in the “CHORD” area. As you know, each chord
can be played in a variety of ways on a keyboard and a
guitar. Though the Guitar mode always voices its chord
in a typical guitar fashion (even when this parameter is
off), you may need even more flexibility than this basic
system can provide. In that case, switch on this parameter and try out different inversions to discover how that
affects your guitar.
● AUTO SUSTAIN—When this function is on (default set-
ting), all guitar notes you trigger using the “ARPEGGIO”
keys have a longer decay. If you switch it off, the notes
are a lot shorter.
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6
● HOLD PEDAL—This function only works if you connect
an optional DP-2, DP-6, or BOSS FS-5U footswitch to the
HOLD FOOTSWITCH socket. The pedal’s behavior depends
on whether [AUTO¥SUSTAIN] is on or off.
When [AUTO¥SUSTAIN] is on, while [HOLD¥PEDAL] is also
on, pressing the Hold pedal temporarily bypasses the
[AUTO¥SUSTAIN] setting, and thus causes the guitar
notes to have a short decay.
If [AUTO¥SUSTAIN] is off, while [HOLD¥PEDAL] is on,
pressing the Hold pedal temporarily produces a normal
Hold/damper effect.
Note: This Hold function is added to the one that allows
you to hold notes played by the active Keyboard parts (MBS,
LW2, LW1 and/or UP3), if they have been assigned to that
footswitch.
● DOUBLING—This section allows you to add a second
guitar to the main guitar part. That added guitar uses
the same sound as your main guitar. The purpose of this
added guitar is to create the impression that the guitar
part is played by two musicians.
● STEREO WIDTH—(0~50) This parameter allows you to
specify the distance between the two guitars in the stereo sound field. The higher the value, the further they
are panned to the left and right sides respectively.
(3) Press the [Back] field to return to the “GUITAR
MODE” page, or the [EXIT] button to return to the
main page.
Note: All GUITAR MODE settings can be written to a User Program and recalled at a later stage.
G-70 Music Workstation
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OS Version 2
Style Converter
The G-70’s Style Converter is an easy and intuitive tool
for creating your own Music Styles based on one of
your own songs or a Standard MIDI File created by
someone else. In either case, it is enough to play back
the Standard MIDI File once to transfer its data into the
G-70’s song RAM memory where you can use the Style
Converter. You may want to edit the song before converting parts of it into a Music Style.
General considerations
Here are a few guidelines for converting song parts to a
Music Style:
• The Music Style created using the Style Converter can
be used in Arranger mode (not in 16-track Sequencer
mode).
• Music Styles are accompaniment patterns. If the new
Style should be generally usable (i.e. for any song of a
given genre), try avoid chord changes in the “basic”
patterns (MAIN [1]~[4]). Remember that you can
transpose your Styles in realtime by playing different
chords in the chord recognition area. Also, it is usually wiser not to include the melody in your conversion.
• Try to isolate the passages and parts that are really
typical of the song.
• Transitions, rolls, etc., should be converted to Fill-Ins.
The intro should be converted to an Intro pattern.
• For a really professional result, you will also have to
take advantage of the G-70’s Style Composer to
ensure that your new Style also “works” for minor
and seventh chords.
• Though pattern length (and memory capacity) is no
issue, try to work in small but meaningful units.
Here’s an example: most songs rely on a structure
based on 4-measure blocks. Converting 6 measures is
thus a bit odd (though perfectly possible).
• Prepare a simple pattern for MAIN [1] and increasingly complex accompaniments for the remaining
patterns.
• Always set the correct KEY (page 9). Only then will
the Style really work as expected when used with the
G-70’s Arranger.
• Your new Style resides in the G-70 Style RAM memory. Do not forget to save it before selecting another
Style (in Arranger mode) or switching off the G-70.
ENGLISHENGLISH
ENGLISHENGLISH
Commercially available Standard MIDI Files are protected by a copyright. Please note that the Style
Converter should only be used to create Music Styles
for private use. Roland assumes no responsibility for
copyright infringements that may result from the
use of the Style Converter.
7
G-70 Music Workstation
OS Version 2
Using the Style Converter
(1) Select and load a (different) song.
This is not necessary if you want to use the song you
have just recorded or played back.
In any case, you should listen to it and try to isolate
the eight tracks whose parts should be included in
your new Music Style.
(2) Press the RECORDER [16-TRACK¥SEQUENCER] but-
ton.
16-TRACK
SEQUENCER
The display changes to:
Note: If you assign several song tracks to the same Style track,
a bullet (“●”) appears next to the Style track name in the table
to indicate that the Style track in question is already assigned
to another song track. (Though this is perfectly possible, the
result is usually not convincing.)
If necessary, press the [INIT¥VALUE] field to return to
the default assignments if that produces the best
result after all.
Auditioning the tracks
Press the [Jump≈to≈1st≈note] field to jump to the first
note of the selected song track (the one that appears
on a blue background). Playback starts automatically
from that point and you will hear all song tracks.
Press the RECORDER [PLAY÷STOP¥®÷ª] button to stop
playback (or to start it again).
Note: If the selected track contains no data at all, playback is
started from the very first song measure.
■Muting tracks
Sometimes, it may be necessary to mute certain parts
so as to concentrate on what the other tracks do, and
to decide which tracks should be converted into a
Music Style. To do so, press the [MUTE] field and then
the lines of the song tracks you don’t want to hear.
Such tracks are flagged with an “M”.
Press the [MUTE] field again to switch off the function of the same name.
(3) Press the [STYLE¥CONVERTER] field in the right col-
umn.
(4) You may also have to press the [SETUP] button icon
to select the page shown above (if “CONVERT” is
currently active).
This page allows you to select the song tracks that
should become Style tracks. Remember that a song
may contain up to 16 tracks, while a Music Style
“only” provides eight.
The default assignments of song tracks to the Style
tracks (see the illustration above, last column in the
list) are made automatically. Though based on common sense, they may not yield the desired accompaniment pattern. As a rule, you should always listen
carefully.
(5) To correct one or several of the default assign-
ments, proceed as follows:
• Press one of the green fields to select the Style track.
Those are the tracks that make up your Music style to
be.
• Next, use the [DATA÷ENTRY] dial or the [DEC]/[INC]
buttons to select a song track in the list to the left.
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■Solo
To listen to one track in isolation, press the [SOLO]
field and the field of the track you want to solo, then
start playback. This mutes all other tracks, while the
selected track is flagged with an “S”.
Press the [SOLO] field again to switch off the function of the same name.
(6) Press the [CONVERT] field to jump to the following
page.
Here, you can listen to the selected tracks, specify
which excerpt should be extracted and set the patterns that should contain the selected data. The most
logical order for proceeding is as follows:
(7) Press the RECORDER [TOP¥|√] button, followed by
[PLAY÷STOP¥®÷ª] to start song playback.
[FWD] and [BWD] are also available for rewinding and
fast-forwarding.
(8) While listening to the song, press the [MARK¥A]
field at the beginning of first measure to be converted, and [MARK¥B] when the G-70 reaches the
last measure you need.
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