Also: Colin Stetson, Sylvan Esso and Trombone Shorty
'Glee' star releases the video for her first single from 'Louder'
'Glee' star drops the second single from forthcoming album, 'Louder'
Hear the 'Glee' star's first official single
Tribute to character Finn Hudson will air next week
Actors cover John Lennon's famous holiday song
Chord Overstreet also in talks to join as a regular cast member
The show honors Michael Jackson in season three's best episode so far
The New Directions go to Nationals with help from Madonna, Usher and Broadway
A well-rounded episode marks McKinley's big night
Lady Gaga's hit anchors an episode about self-acceptance - and it works
Even an Aretha Franklin track can't help this episode
Valentine's Day episode includes songs by Katy Perry, Michael Jackson and Paul McCartney
Show tackles Michael Jackson, Yeah Yeah Yeahs and Lady Antebellum