Ableton Live 4 MIDI Software (Windows / Macintosh) Complete MIDI recording, editing and pattern creation -- plus sequencing, combination and reorganization of MIDI clips New Ableton instruments - Simpler, for creative sample-based synthesis and Impulse, for dynamic percussion sound design Track-to-track I/O routing for complex mixes, post-effects recording, MIDI-to-audio conversion, submixing and synth layering Unlimited audio and MIDI tracks, inputs and outputs Work with hundreds of one-shot drum samples for use in Impulse