That old fashioned music they're using is from the album "Trill It Like It Was", by the Templeton Twins (actually record producer Ted Templeman, multi-tracked to sing harmonies with himself). The songs are early 1970s pop tunes, in a 1930s style.
What good days Friday night a large pepperoni pizza a six pack of beer a bottle of 7 up and Saturday night the Ghoul look what we have now shooting up the streets can you believe it