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. Making music should be as easy as powering up a computer, loading up a powerful piece of music software, and getting down to business. And it is. Reason version 4 is a virtual studio rack with all the tools and instruments you need to turn your ideas into music. And it's more than just a set of excellent synths and effects. It's a complete music system. Step into the age of Reason. Thor Polysonic Synthesizer A multi-synthesis synthesizer with six oscillator types, four different filters, a step sequencer and a modulation matrix. Fully routable. Fully automatable. Fully everything. RPG-8 Monophonic Arpeggiator A monophonic arpeggiator with multiple play modes, an insert function and a pattern section. And then some. 4th Generation Sequencer Reason's new revamped sequencer now features multiple track lanes, vector automation, dedicated device tracks, clips, count-in and more. A lot more. ReGroove Mixer A realtime, 32-channel timing and groove handling mixer. Applies non-destructive, freely editable grooves to Reason's sequencer tracks.