I found this in the archives. The previous poster will have left you with a song title. To play, you use those letters to design a CAF with Initials as well as leave a song title for the next poster.
Song: San Andreas Fault
SO: Simon Amadeo
SO: Noemi Agata
DD: Nadia Donata
DS: Raul Emilio
DS: Arturo Silvano
DD: Flora Andreina
DS: Ulrico Lorenzo
DCat: Tosca
Next Song: What I Like About You