GM–GS–XG quick reference

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Revision as of 07:39, 30 August 2024 by Hikari no yume (talk | contribs) (clarify 71 to 74 behaviour on SC)
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This is a help page listing which MIDI messages can be used for common things across General MIDI, Roland GS and Yamaha XG.

General notes:

  • GS doesn't seem to have a publicly available formal standard, so the Roland SC-55mkII manual is used as a reference. Later Roland devices seem to use the SC-55mkII as the baseline for GS.
  • Microsoft GS Wavetable Synth only supports a tiny fraction of the GS features, despite the name.
  • XGLite only supports a subset of the XG features.

Symbol legend:

  • ❌ — Not supported (according to the standard; the device might still have it as an extension)
  • 👻 — Undocumented, but appears to work on some devices in testing
  • *️⃣ — Supported, but meaning is standard-specific or depends on other factors
  • ✅ — Supported
  • [88] — Supported only by Roland SC-88 and later (not part of basic GS/SC-55)
Control Change messages
Ctrl # Controller name General MIDI Roland GS Yamaha XG Notes
0 Bank Select MSB *️⃣[1] *️⃣[2] On GS, this selects variation instruments.
On XG, this selects banks. Common numbers:
  • 0 = most normal/melody instruments[2]
  • 64 = SFX voices[2]
  • 126 = SFX kits[2]
  • 127 = drumkits (sets part to drum mode)[2]
1 Modulation [3] [1] [4] On GS and XG, this is Vibrato by default[1][4]
5 Portamento time [1] [5] Value 0 is shortest/fastest.[1][5] On XG, it is cent-linear.[5]
6 Data entry MSB *️⃣ *️⃣[1] *️⃣[5] (Used for RPNs and NRPNs)
7 Volume [3] [1] [5]
10 Pan [3] [1] [5]
11 Expression [3] [1] [5] On GS, this is multiplied with Volume to control overall volume.[1]
32 Bank Select LSB [1] [2] On GS/the SC-55, this does nothing. But the SC-88 onwards use this to select maps:
  • 0 = default
  • 1 = SC-55
  • 2 = SC-88
  • 3 = SC-88 Pro
  • 4 = SC-8850/SC-8820

On XG, this selects extension instruments.[2]

38 Data entry LSB *️⃣ *️⃣[1] *️⃣[5] (Used for RPNs and NRPNs)
64 Sustain
or Hold1[6]
[3] [6] [7] 0–63 = Off, 64–127 = On.[6][7]
65 Portamento [6] [7] 0–63 = Off, 64–127 = On.[6][7]
66 Sostenuto [6] [7] 0–63 = Off, 64–127 = On.[6][7]
67 Soft
or Soft Pedal[8]
[6] [8]
71 Sound Controller 2
or Harmonic Content
👻[9] [8] On XG, relative adjustment of filter resonance (64 is zero change).[8]
On GS, there is no documented support for it, but there is an NRPN.
SC modules from at least the SC-88VL onwards appear to respond to it anyway and behave like XG.[9]
72 Sound Controller 3
or Release Time
👻[9] [8] On XG, relative adjustment of envelope release time (64 is zero change).[8]
On GS, there is no documented support for it, but there is an NRPN.
SC modules from at least the SC-88VL onwards appear to respond to it anyway and behave like XG.[9]
73 Sound Controller 4
or Attack Time
👻[9] [8] On XG, relative adjustment of envelope attack time (64 is zero change).[8]
On GS, there is no documented support for it, but there is an NRPN.
SC modules from at least the SC-88VL onwards appear to respond to it anyway and behave like XG.[9]
74 Sound Controller 5
or Brightness
👻[9] [10] On XG, relative adjustment of filter cutoff (64 is zero change).[10]
On GS, there is no documented support for it, but there is an NRPN.
SC modules from at least the SC-88VL onwards appear to respond to it anyway and behave like XG.[9]
84 Portamento Control [6] [10] Value is MIDI note number.[6] On XG, ignores Portamento Time (always 0).[10]
91 Effect 1 depth
or Reverb send[6]
[6] [10] On GS and XG: Reverb send level[10][6]
93 Effect 3 depth
or Chorus send[6]
[6] [10] On GS and XG: Chorus send level[10][6]
94 Effect 4 depth
or Variation send
or Delay send[11]
[88][11] [10] On XG: Variation send level.[10]
XGLite does not require variation effects to be supported.[12]
Not supported on GS/SC-55, but SC-88 and onwards use this for Delay Send Level.[11]
96 Data increment *️⃣[13] (Used for RPNs and NRPNs) (TODO: check this)
97 Data decrement *️⃣[13] (Used for RPNs and NRPNs) (TODO: check this)
98 NRPN LSB *️⃣[6] *️⃣[13] (Used for NRPNs)
99 NRPN MSB *️⃣[6] *️⃣[13] (Used for NRPNs)
100 RPN LSB *️⃣ *️⃣[14] *️⃣[15] (Used for RPNs)
101 RPN MSB *️⃣ *️⃣[14] *️⃣[15] (Used for RPNs)
RPN messages
RPN
MSB
RPN
LSB
RPN name General MIDI Roland GS Yamaha XG
0 0 Pitch Bend Sensitivity [3] [14] [16]
0 1 Fine Tuning [3] [14] [16]
0 2 Coarse Tuning [3] [14] [16]

(TODO: add non-GS XG NRPNs)

NRPN messages
NRPN
MSB
NRPN
LSB
NRPN name General MIDI Roland GS Yamaha XG Notes
1 8 Vibrato Rate[13] [6] [13] Relative adjustment (64 is zero change)
1 9 Vibrato Depth[13] [6] [13] Relative adjustment (64 is zero change)
1 10 Vibrato Delay[13] [6] [13] Relative adjustment (64 is zero change)
1 32 Filter Cutoff Frequency[13]
or TVF cutoff frequency[6]
[6] [13] Relative adjustment (64 is zero change)
1 33 Filter Resonance[13]
or TVF resonance[6]
[6] [13] Relative adjustment (64 is zero change)
1 99 EG Attack Time[13]
or TVF&TVA Env. Attack time[6]
[6] [13] Relative adjustment (64 is zero change)
1 100 EG Decay Time[13]
or TVF&TVA Env. Decay time[6]
[6] [13] Relative adjustment (64 is zero change)
1 102 EG Release[17]
or TVF&TVA Env. Release time[6]
[6] [17] Relative adjustment (64 is zero change)
24 (key #) Drum Pitch Coarse[15]
or Pitch coarse of drum instrument[6]
[6] [15] Relative adjustment (64 is zero change)
26 (key #) Drum Level[15]
or TVA level of drum instrument[6]
[6] [15]
28 (key #) Drum Pan[15]
or Panpot of drum instrument[6]
[6] [15]
29 (key #) Drum Reverb Send[15]
or Reverb send level of drum instrument[6]
[6] [15]
30 (key #) Drum Chorus Send[15]
or Chorus send level of drum instrument[6]
[6] [15]
31 (key #) Drum Variation Send[15]
or Delay send level of drum instrument[11]
[88][11] [15] On XG: Variation send level.[10]
Not supported on GS/SC-55, but SC-88 and onwards use this for Delay Send Level.[11]

System Exclusive (SysEx) messages are required for advanced features like changing effect types, configuring controllers/LFOs, etc. There are a huge number of them and they are completely incompatible between standards, so they are out of scope for this article. The following are only a few essential ones:

System Exclusive messages
SysEx (hex) Name General MIDI Roland GS Yamaha XG Notes
F0 7E 7F 09 01 F7 General MIDI Level 1 System On Sets module to GM1 mode and resets settings for all parts. Broadcast message addressed to all devices.
Note: some early GS devices (early SC-55 models) don't support GM and won't respond to this.
F0 41 10 42 12 40 00 7F 00 41 F7 GS Reset Sets module to GS mode and resets settings for all parts. Addressed to device 17 (default device number).
F0 43 10 4C 00 00 7E 00 F7 XG System On Sets module to XG mode and resets settings for all parts. Addressed to device 1 (default device number).
F0 41 10 42 12 40 1A 15 02 0F F7 GS: Patch parameters, Part 11 § USE FOR RHYTHM PART → MAP2 Sets part 11 (mapped to channel 11) to drums mode, using the 2nd set of drum parameters. Addressed to device 17 (default device number).
For XG, you can use a Bank Select MSB instead (see above).


References

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 Roland SC-55mkII Owner's Manual, page 90.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Yamaha XG Specifications, v 2.00, page 16.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 General MIDI System Level 1 Specification, page 2
  4. 4.0 4.1 Yamaha XG Specifications, v 2.00, page 17.
  5. 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 Yamaha XG Specifications, v 2.00, page 18.
  6. 6.00 6.01 6.02 6.03 6.04 6.05 6.06 6.07 6.08 6.09 6.10 6.11 6.12 6.13 6.14 6.15 6.16 6.17 6.18 6.19 6.20 6.21 6.22 6.23 6.24 6.25 6.26 6.27 6.28 6.29 6.30 6.31 6.32 6.33 6.34 6.35 6.36 6.37 6.38 6.39 6.40 Roland SC-55mkII Owner's Manual, page 91.
  7. 7.0 7.1 7.2 7.3 7.4 7.5 Yamaha XG Specifications, v 2.00, page 19.
  8. 8.0 8.1 8.2 8.3 8.4 8.5 8.6 8.7 Yamaha XG Specifications, v 2.00, page 20.
  9. 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 Tested by the following users:
    • hikari_no_yume has tested and found that her SC-88VL responds to controllers 71 to 74 in GS mode.
    • purps has tested and found that Sound Canvas VA responds to controllers 71 to 74 in GS mode.
  10. 10.00 10.01 10.02 10.03 10.04 10.05 10.06 10.07 10.08 10.09 10.10 Yamaha XG Specifications, v 2.00, page 21
  11. 11.0 11.1 11.2 11.3 11.4 11.5 Roland SC-88 Owner's Manual, page 7 - 22.
  12. See Yamaha XG Specifications, v 2.00, Attached Chart 1 pages 5 to 7 (all Variation/Insertion effects marked as optional for XGLite).
  13. 13.00 13.01 13.02 13.03 13.04 13.05 13.06 13.07 13.08 13.09 13.10 13.11 13.12 13.13 13.14 13.15 13.16 13.17 Yamaha XG Specifications, v 2.00, page 22
  14. 14.0 14.1 14.2 14.3 14.4 Roland SC-55mkII Owner's Manual, page 92.
  15. 15.00 15.01 15.02 15.03 15.04 15.05 15.06 15.07 15.08 15.09 15.10 15.11 15.12 15.13 Yamaha XG Specifications, v 2.00, page 23
  16. 16.0 16.1 16.2 Yamaha XG Specifications, v 2.00, page 24
  17. 17.0 17.1 Yamaha XG Specifications, v 1.32, page 13 (omitted in v 2.00; by mistake maybe?)

See also