Ableton Live is a software music sequencer and digital audio workstation for macOS and Windows. The latest major release of Live, Version 9, was released on March 5, 2013 - wikipedia 
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- wikimedia.org
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. It is also used by DJs, as it offers a suite of controls for beatmatching, crossfading, and other effects used by turntablists, and was one of the first music applications to automatically beatmatch songs.
# Buy
This is the current price for the bundle that includes Max for Live (M4L) -
ableton.com
423 Albelton 9 + max for Live + upgrade to 10
# See also - Ableton 3D Sound * History * Features