You can also use a Combinator to quickly set up multiple instruments to play together from one Sequencer track.
To quickly set up a multi-instrument track
You can also sequence a multi-instrument using a Matrix Pattern Sequencer.
To sequence a Combinator using a Matrix
To spread multiple Combi instruments across the keyboard
The Combinator programmer's Modulation Routing section lets you specify how you want the front-panel knobs to affect the various instruments.
To set up modulation routing