This episode opens to the melody of "The Nutcracker, Op. 71: Dance off the Sugar-Plum Fairy" performed by the London Philharmonic Orchestra.
The song at 22:00 is "Whats [sic] Your Poison" by Benny Sky.
The song at 30:36 is "Mein Mann" followed by "Berlin Cabaret" both by Matthias Seuffert.