Denon DJ Engine Prime Music Library Problem Prime 4 Controller
https://www.youtube.com/watch?v=Yyi6_rNdsGs
https://www.youtube.com/watch?v=Yyi6_rNdsGs
DJ Dekade and George talk about party-goers requesting music and playing back to back remixes/re-drums/etc. https://www.youtube.com/watch?v=B0l_CKIfGxI