You're the Worst - Season 3, Episode 6: Soundtracks

CAST PERFORMANCE Sam Dresden (Brandon Mychal Smith) plays a PIANO VERSION as he decodes the sheet music clue According to him it was written during WWI by Cornelius (most likely an Adam Blau creation)

Edgar immersing himself in fireworks in a vacant parking lot

CAST PERFORMANCE of this "invented" song with lyrics sung by Jimmy in the speakeasy at the end of episode into END CREDITS (SEE BELOW for LYRICS)