The bigger rack

Your Reason rack just got bigger. All new Reason version 4 comes equipped with a brand new sequencer, a revolutionary groove tool, a stunning arpeggiator and a synth to end all synths. Welcome to Reason version 4 - the bigger rack.

New synthesizer
Thor

A multi-synthesis synthesizer with six oscillator types, four different filters, a step sequencer and a modulation matrix. Fully routable. Fully automatable. Fully everything.

New arpeggiator
RPG-8

A monophonic arpeggiator with multiple play modes, an insert function and a pattern section. And then some.

New sequencer
Sequencer

Reason's new revamped sequencer now features multiple track lanes, vector automation, dedicated device tracks, clips, count-in and more. A lot more.

New groove
ReGroove

A realtime, 32-channel timing and groove handling mixer. Applies non-destructive, freely editable grooves to Reason's sequencer tracks.