Kind of a lot of songs
Given that this novel is basically a musical in book form, a lot of songs are mentioned in the narrative.
"Maybe This Time" from Cabaret
"Let It Go" from Frozen
"Defying Gravity" from Wicked
"Tomorrow" from Annie
"Wannabe" by the Spice Girls
"Say You'll Be There" by the Spice Girls
"Spice Up Your Life" by the Spice Girls
"Stop! In the Name of Love" by the Supremes
"There's No Business Like Show Business" by Ethel Merman
"As Long as He Needs Me" from Oliver!
"Mama Will Provide" from Once on this Island
"Sit Down You're Rocking the Boat" from Guys and Dolls
"Anything Goes" from Anything Goes
"One Day More" from Les Miserables
"Stick It to the Man" from School of Rock
"Fever" by Peggy Lee
"Welcome to New York"
"New York, New York"
"Smells Like Teen Spirit"
"All that Jazz"
"I Will Survive"