Have you ever listened to a song and thought that it was pretty great but what it really needed was to be infinitely long? There's an app for that. Works with any song on Spotify, and it seems to do a pretty good job of finding splice points in songs to break it up into segments which it randomly shuffles, forever.
I tried it on a few of my songs but it just completely messed up the song structure of them, although it's pretty okay with No Brakes. But there's a lot of examples on it that work well, and when I posted this on the Song Fight! Slack!, lunkhead found that it works really well on Skeleton Key by BSS.