Simon & Garfunkel/Phillip Phillips - Homeward Bound/Home (Quinn, Finn, Puck, Mercedes, Mike and Santana) LISTEN
The Supremes - Come See About Me (Quinn, Santana, Brittany) LISTEN
One Direction - Live While We're Young (Sebastian with Hunter and Warblers) LISTEN
Flo Rida - Whistle (Hunter with Warblers) LISTEN
Scissor Sisters/Promises, Promises - Let's Have A Kiki / Turkey Lurkey Time (Rachel, Kurt and Isabelle) LISTEN
PSY - Gagnam Style (Tina, Kity, Ryder and New Directions) LISTEN
Source:
http://lea-michele-sarfati.blog.cz/1211/glee-4x08-thanksgiving-music