The Winter Modular Eloquencer is an 8-track sequencer with some really useful and fun performance features.
All sort of features make it really easy to go from a pre-programmed sequence to editing the sequence non destructively on-the-fly. We were very impressed by this module.
More info at Winter Modular
The Avila Brothers talk about their journey to the recent Super Bowl Halftime Show
Older Music Machines & the People Who Still Use Them