That would be "LMFAO".
lil Wayne
Akon, sings the song Smack That
Miley Cyrus sings The Climb
Chic
Olivia the make-up artist at the Gatsby Salon sings the theme song
Pillar sings this song. http://www.pillarmusic.com/
The artist you are looking for is Joe Diffie.
Nichole Nordeman sings a song called Holy
cupid
Thrice- Silhouette
The Who
The artist is Tim McGraw and the song is "Red Ragtop"