Hey, I made this quick tutorial hoping to answer any q's that some of you may have. Regarding the pitch drop that alesso and other house guys use. You can't really use the transpose feature of ableton, doesn't really sound good. Anyway, if you were wondering, here you go:
http://www.youtube.com/watch?v=rpNRBurNno8
Btw, let me know if there's any other tutorials you'd like to see
http://www.facebook.com/nick1nikon