Glee Enjoys Adele-Fueled Music Resurgence, Plans Rihanna, Destiny's Child Covers

It would appear rumors of Glee‘s eroding influence on the music biz have been greatly exaggerated.

After experiencing a West Side Story-fueled dry spell on the charts this fall (during which the show mostly churned out spirited but not exactly Billboard-friendly covers from the classic musical), the Fox hit staged an impressive comeback this week.

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For starters, a mash-up of Adele’s “Rumor Has It”/”Someone Like You” from Tuesday’s episode skyrocketed to No. 1 on iTunes and has yet to be dethroned. (One source says it’s on track to become Glee‘s best-selling track since last season’s Gwyneth Paltrow-crooned “Forget You.”)

Additionally, the show’s new holiday album — Glee: The Music, The Christmas Album, Vol. 2 — currently ranks No. 4 on the album chart and is selling at a similar rate as last year’s successful Xmas disc (which moved nearly 1 million copies in six weeks).

And look for the momentum to continue into the new year. TVLine has learned that upcoming episodes will feature covers of Rihanna’s current No. 1 smash “We Found Love” and Michael Jackson’s “Man in the Mirror,” as well as what promises to be a bitchin’ Troubletones mash-up of Gloria Gaynor’s ’70s anthem “I Will Survive” and Destiny’s Child’s “I’m a Survivor.”