Although harmonic mixing seems complicated at first, it is actually very simple. Many famous DJs currently use harmonic mixing to supplement their beatmatching technique. I learned this technique from watching DJ Sasha, Armin Van Buuren and Miguel Migs. Harmonic Mixing is a technique that I use to transition between songs while I am DJ'ing. Tutorial #1 'Harmonic Mixing using Camelot Notation' Mixed In Key has low memory usage, so it should run alongside Ableton Live. Save your last 10 song results into your collection.Display harmonically-compatible song combinations.Create browsable collections, drag-and-drop supported.Mixed In Key helps users mix songs harmonically, with no clashing vocals and harmonic elements. Mixed In Key is a Windows application that finds the musical key of songs for musicians and professional DJs. A free version of Mixed In Key is now available for download.