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In this footage from one of Deadmau5's Livestreams, he uses Ableton Live extensively. The logo on the highlighted (currently-open) window is a gray square— the square logo is exclusive to version 9 of Ableton, and the gray is indicative of the Suite edition. As such, it's safe to assume that the version of Live 9 he's using here is the Suite edition.
The source and notes on this submission are correct.
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