Basically someone puts out a song title and artist. The next person takes a word(s) from the title or band name to add their own song. Here's an example.
Person B: Bring me to life - evanescence.
I'll throw in a song to start us off!
But you won't love a ghost - Emarosa
Person A: It's my Life - Bon Jovi.Person B: Bring me to life - evanescence.
I'll throw in a song to start us off!
But you won't love a ghost - Emarosa