Inside 's Pitch for Prime Video Ads

A musical tale of collegiate a cappella filled of high notes, high drama, and high jinks that inspired the hit films Pitch Perfect and Pitch Perfect 2. Get ready to be pitch slapped. The roots of unaccompanied vocal music stretch all the way back to Gregorian chants of the Middle Ages, and collegiate a cappella is over a century old. But what was once largely an Ivy League phenomenon has, in the past twenty years, exploded. And it's not what you think.