Glee:

Episode 11

The cast versions of Don't Make Me Over, True Colours, Bootylicious, Crazy in Love/Hair, Imagine and Papa Don't Preach are available to download from iTunes
Music information here

Episode 10

The cast versions of Lean on Me, Havin' a Baby, I'll Stand By You, Crush, Don't Stand So Close To Me/You Girl and Endless Love are available to download from iTunes
Music information here

Episode 9

The cast versions of Dancing with Myself, Proud Mary and three versions of Defying Gravity are available to download from iTunes
Music information here

Episode 8

The cast versions of Thong Song, Sweet Caroline and Bust a Move are available to download from iTunes
Bust a Move

Episode 7

The cast versions of Hate on Me, No Air, You Keep Me Hangin' On, and Keep Holding On are available to download from iTunes
Look and listen

Episode 6

The cast versions of Halo/Walking on Sunshine and It's My Life/Confessions Pt. 2 are available to download from iTunes
See what's dropped

Episode 5

The cast versions of Alone, Somebody to Love, Maybe This Time and Last Name are available to download from iTunes
Get the gumpf

Episode 4

The cast version of Taking Chances available to download from iTunes
Learn more

Episode 3

The cast versions of Bust Your Windows and Mercy available to download from iTunes
Learn more

Episode 2

The cast versions of On My Own, Gold Digger and Take a Bow available to download from iTunes
Details here

Episode 1

The cast versions of Rehab and Don't Stop Believin' available to download from iTunes
Details here