Something by The Beatles is featured in Tina in the Sky with Diamonds, the second episode of Season Five. It is sung by Sam with Jake and Ryder. Sam receives advice from Blaine and Artie about Sam's crush on the school nurse, Penny Owen.
The song Artie sings is Dancing With Myself
Rehab, but they added something in the beginning.
Vocal Adrenaline
Jill Scott sings this classic. It has been also be redone by Glee.
Entitled "End Credits" (Made Famous by Glee Cast)
Phin
It was Santana/naya Rivera that sang the song
Original song, Kurt sings it by himself.
April Rhodes ( Kristin Chenoweth) and Will Schuester (Matthew Morrison)
I'm not sure but it sounds like the guy from glee
In roumour santana sings it to brittany. The song explains to brittany how much she loves her. Fleetwood mac origanaly sings it.
Lil Wayne - Lollipop I'll stand by you-Finn sings it in Glee