ok, so the only solution is using different pattern based step sequencers, for example:
for drums:
http://www.maxforlive.com/library/devic ... l-drum-box
for bass etc.
Mono Sequencer from Max MIDI Effect
and automatize them (their pattern selectors, same way as in Reason

), am I right ?
ps. another article Step Sequencing Ableton Live Tips & Techniques :
http://www.soundonsound.com/sos/apr12/a ... e-0412.htm