In order, by chapter, starting with chapter 1 of the prequel. I will also say who performed it in the story.

Chapter 1

• Not Alone, by Darren Criss, performed by Blaine
• (not featured, but inferred) Hey Jude, by The Beatles, performed by Kurt and Blaine

Chapter 3

• (not performed, but featured) - Baby, It’s Cold Outside, the Glee Cast Version, performed by Kurt and Blaine

Chapter 6

• Sami, by Darren Criss, performed by Blaine

Chapter 10

• All Over Me, by The Danger Flowers, performed by Blaine

Featured in Senior Year

Chapter 6

• You Are The Moon, by The Hush Sound, performed by Kurt

Chapter 10

• (this one’s only vaguely referenced, but you gotta love it) Animal, the Glee Version, performed by Kurt and Blaine at Sectionals

Chapter 11

• Angel In The Snow, by Elliott Smith, ‘performed’ by Blaine

Chapter 13

• (the song they’re listening to while in Kurt’s bedroom) Delicate, by Damien Rice

Chapter 15

• Here Comes The Sun, by The Beatles, performed by New Directions (for Jared)

Chapter 18

• 18th Floor Balcony, by Blue October, (played at prom, 1st slow dance)
• Falling In Love In A Coffee Chop, by Landon Pigg, (played at prom, last slow dance)

Chapter 21

• Marchin’ On - by One Republic, performed by New Directions