BankStep is a software emulation of hardware bank sequencers found in the big analog synthesizers, that produce control for the sound but not the sound itself. Instead of analog control voltages BankStep produces MIDI (and can make standard MIDI music files). Otherwise, BankStep functionally emulates a big $50,000 bank of hardware sequencers and supporting modules just as it might sit on top of a big Moog analog synthesizer - or your soft synth, MIDI module or sound card.

The main module in BankStep is the Bank module, which is a 3 or 4 bank knob sequencer of any number of columns up to 48. The Bank module is a "smart" module, with the ability to set sequence start and end points, and to automatically switch direction when the end points are reversed.

There are no dangling patchchords in BankStep. Instead, module inputs (the red and blue buttons) connect to outputs by selecting them from a popup menu of all available outputs. When an input is connected to an output, the input button label indicates the connection.