(Piano/Vocal/Guitar Songbook). New Directions' rivals, the Dalton Academy Warblers, debuted with a bang in the second season of Glee; their version of Katy Perry's "Teenage Dream" became the fastest-selling single in the history of the show This beloved male a cappella group starring Darren Criss and Chris Colfer now has its own release, Glee: The Music Presents the Warblers . This collection features their versions of 13 hit tunes: Animal * Bills, Bills, Bills * Blackbird * Candles * Da Ya Think I'm Sexy * Hey, Soul Sister * Misery * Raise Your Glass * Silly Love Songs * Somewhere Only We Know * Teenage Dream * What Kind of Fool * When I Get You Alone.