10.6

Table Of Contents
554Logic Pro Instruments
The distribution of drum voices across the MIDI keyboard is as follows: a single drum voice
is assigned to each of the first 24 MIDI keys (spanning MIDI notes C1 to B2). The 25th drum
voice is assigned to the keys from the 25th MIDI key (C3) and above, enabling you to play
this sound chromatically.
The 24-drum pad assignment is compatible with the widely adopted GM (General MIDI)
MIDI Drum note mapping standard. If your MIDI keyboard is limited to two octaves or does
not support transposition, use the Transpose options of Logic Pro to shift incoming MIDI
notes up or down one or more octaves.
Note: For clarity, and to maintain the drum machine analogy, this guide refers to the
independent synthesizers as drum sounds. A combination of drum sounds forms a drum
kit.