Life is but a song as the cast of Scrubs star in a musical episode with songs written by the Tony Award-Winning composers of Avenue Q Robert Lopez and Jeff Marks -- Stephanie D'Abruzzo (an original cast member of Avenue Q ) guest stars - - Sacred Heart is turned into a full scale Broadway stage when Patti (Stephanie D'Abruzzo) checks in complaining of hearing incessant music. While trying to determine the cause of this strange complaint the residents of Sacred Heart star in their own musical. Carla and Turk tango over her decision to be a stay at home mom or to return to work while Elliot struggles with telling J.D. that she doesn't want to be roommates with him anymore -- both girls hope that the boy's Guy Love will help them through the rough patch. All the while the staff wonders if life would be happier if everyone was in constant harmony.