Cheeky and snarky but with an infectious energy, “Pitch Perfect,” a comedy set in the cutthroat world of competing college a cappella groups, makes us fall in love with the very thing it’s making fun of. It’s ridiculous and predictable but also just a ton of fun, so you may as well give up and give in to your inner musical theater geek.

The debut feature from director Jason Moore (Broadway’s “Avenue Q”) and writer Kay Cannon (“30 Rock”), based on the nonfiction book by Mickey Rapkin, feels like a mash-up of “Glee” and “Revenge of the Nerds.”