Kurzweil K2661 - Appendix H General MIDI; General MIDI; Inside GM Mode

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Appendix H

General MIDI

General MIDI (GM) is an addition to the original MIDI speciﬁcation that assigns sounds to

speciﬁc channel numbers, program numbers, and note values. The K2661’s GM Mode feature

(described in Chapter 11 of the Musician’s Guide) sets up your instrument for GM in a single step.

Using General MIDI, you can share song ﬁles between different devices with reasonably

consistent performance.

Many GM song ﬁles are commercially available, and they’ll sound great on your K2661.

Inside GM Mode

Here’s what happens when you enable GM Mode from the Master Page:

• On all channels except channel 10 (which GM uses for drums), you will see only the 128 GM

programs. On MIDI channel 10, you will see the eight drum kits.

• The K2661 will modify the following entries in the master table:

• FX mode (GM uses Master mode)

• FX channel (GM uses None)

• FX studio (GM uses the studio selected in GM Studio set on the Master: GM page)

• Receive velocity map (GM uses the GM Receive Velocity Map)

• progChgType (GM uses 0-127 mode)

Old settings will be remembered, however, so that when you turn GM Mode off the K2661

will restore your previous settings.

• Volume and expression controllers are mapped to a special GM curve, as in “GS” synths.

(GS is a superset of General MIDI that is used by the Roland Sound Canvas and other

products.)

• GM drum kits are mapped across program number space as in the “GS” synths, and have

exclusive zones included with them.

• Program changes sent to the K2661 when it is in GM Mode will only select programs from

the GM program set.

Setups, Songs, and QA Banks created outside of GM Mode will not point to the correct programs within

GM Mode (although you may ﬁnd the results “interesting”). Similarly, Setups, Songs, and QA Banks

created within GM Mode will not point to the correct programs when you leave GM Mode. For this

reason, when you create Setups, Songs, or QA Banks within GM Mode you may want to append the

letters “GM” to the object’s name and/or store the objects only in certain banks.

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