The lyrical Poetry that Hutch recites to Marianne comes from the song "1927 Kansas City", a song from David Soul's first solo album.
The 3 songs sung by Marianne are "High Flying Bird" first released by Judy Henske in 1963. The second one that Marianne practices is "Nature Boy" first recorded by Nat King Cole in 1948. The third song is "Baltimore Oriole" written by Hoagy Carmichael and Paul Francis Webster in 1942.