Can't wait for Tuesday night's Glee episode, huh? Well, fear not: has been offered an exclusive first listen to Amber Riley and Naya Rivera's rousing rendition of the 1966 Ike and Tina Turner (and Phil Spector produced) classic, "River Deep/Mountain High" before next week.

And if you want to buy more Glee tunes, visit Glee The Music and pre-order tracks from the upcoming Rocky Horror tribute episode on iTunes.

By Ian Drew for To read more of Ian's blog, click here, and don't forget to follow him on Twitter.