Reason is music software package that offers samplers, analog synths, mixers, step-time drum machines, effects, and a realtime multi-track sequencer. It also offers support for ASIO, MME, DirectX and SoundManager for compatibility with "just about every sound card on the planet. Screenshots
are available for viewing.
Version 2.5 adds four new sound processing tools and two utilities for signal path routing.
Mac OS 9.0 or later, QuickTime 4.0 or later