The tweak is ot use iBeacon (apple bluetooth token tech) to trigger your theme song to play when you are coming to a room. A RPi controls the setup and the stereo out goes to a sound system. Humm….may do this at home. Oh you need the doorjam/spotify app too.
Article here:
http://lifehacker.com/build-a-system-that-automatically-plays-your-own-theme-1787493654
https://ideas.redpepper.land/doorjam-47f1a5bce2fd#.34khwy5kl