Loop Sequencer
A step sequencer for Drum Racks in Ableton Live.

Edit the pattern as a table
Max for Live devices for Ableton Live
Paint drums on a grid, give any row its own resolution from quarter notes to 64ths, and randomize the rows you have not muted. One click writes the pattern to your track as a MIDI clip.
marm audio devices do one job each and are quick to learn, so the idea gets down while you still have it.
Loop Sequencer in detail. Questions go to hello@marmaudio.com.