First Listen To All The Songs On This Week's GLEE, "Trio"

AMERICAN IDOL standout Adam Lambert and The X Factor former judge Demi Lovato return to FOX's hit musical dramedy series Glee this week in their extended guest starring character arcs and a first listen at the actors in action alongside show leads Lea Michele, Chris Colfer and the rest is now available to hear via all the songs now streaming.

Song selections on "Trio" range from a Heart rocker to a pop classic by The Supremes and far beyond.

The official description of this week's "Trio" episode of Glee is as follows: "As graduation approaches, Tina, Blaine and Sam band together to hold a senior "lock-in" at school, hoping to savor their last chance at hanging out together. But their plans are thwarted when Becky joins unexpectedly. Meanwhile, in New York, Elliot (guest star Adam Lambert) is stuck in The Middle between Rachel and Santana's feud."

GLEE airs on Tuesdays at 8 PM on FOX.

Additionally, the highly anticipated 100th episode airs on March 18.

For more information on GLEE, visit the official site here.

Listen to all the songs from this week's Glee at the official site here.

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