The Inbetween Soundtrack 
Episode 9 • The Devil's Refugee
Someone Somewhere (In Summertime)
While closing down the bar, Cassie sees a girl named Millie dancing by the door; [0:55] repeats as Cassie sees Millie dancing around after her body is recovered; Cassie dances around her living room.
Dee Jay & The Runaways
Cassie picks up a cassette tape in Millie's room and it starts playing; [0:16] repeats as Cassie has a vision of being choked by a noose; [0:36] Cassie plays the song to draw out Ed; [0:44] flashback to Frank showing Ed how to kill.
C'mon, there's no such thing as a stupid question. Get the ball rolling and be the first.