Ableton Live is a software music sequencer and digital audio workstation to produce music on a computer. In contrast to many other software sequencers, Live is designed to be an instrument for live performances as well as a tool for composing, recording, arranging, mixing and mastering.  I’ve been spending some time with it after starting during the music challenge, and has an interesting design in terms of modifying and managing sounds: you can add a sample of another song or beat, map it to different keys on a MIDI board – you can basically make an instrument out of any song or sound.  Looking forward to learning more