‘Pitch Perfect’ Premiere: Come for the Cast, Stay for the Music (Video)

'Pitch Perfect' opens nationwide on Sep. 28

Stars showed Monday night for the Hollywood premiere of “Pitch Perfect,” a college comedy directed by Jason Moore and starring Anna Kendrick, Britney Snow and Rebel Wilson.

Beca (Kendrick), a freshman at the so-called Barden University joins “The Bellas" — her school's all-girl singing group — to take on male rivals in a campus-wide competition.

“It’s been a long time coming and I finally have this night, so I’m thrilled to be here,” said the film’s writer, Kay Cannon, on the red carpet at the Arclight Hollywood.

Also: Anna Kendrick Raps, Stuns the Fellas in ‘Pitch Perfect’ Teaser 

What gives “Pitch Perfect” its punch?

“I think the music is amazing, the arrangements…are so good,” Cannon said. “There are certain scenes I just watch and get so emotional because music is so powerful.”

"Pitch Perfect" opens nationwide on Sep. 28.