Glee: Who sang it?

Are you a gleek? The TV series "Glee" was immensely popular, and while the show had a great plot, we all came for the music! Can you name who sang their biggest songs, from solos to duets?

Glee' Recap: Mercedes and Rachel Face Off – The Hollywood Reporter

The Gay Guide to Glee: Episode 20, “Theatricality”

Watch Lea Michele sing 'Let It Go' on 'Glee'

Karaoke Revolution Glee Bundle - Nintendo Wii

Heather Morris - Wikipedia

Blaine Anderson - Wikipedia

They Sang This On Glee Essential T-Shirt for Sale by yemma

Glee Singing Voices Ranking : r/glee

Glee' Covers vs. Originals: Who Sang It Better?

Glee' Cast Feat. Gwyneth Paltrow, 'Landslide' – Song Spotlight