The Confederates Quartet

Easternaires

The Ideals

Ella Fitzgerald

The Frank Barber Shop Quartet

Four-Do-Matics

Evans Quartet

The Zumbyes

Forest & Crispian

Play-Tonics

Auto Towners

Kristofer Maddigan

Тимати

Special Feature

Ronnie Draper

Det Norske Kammerkor

Fred Waring & The Pennsylvanians

The Four Doormen

The Four Sergeants

The Great British Barbershop Boys

Metropolis

Vassar Measure For Measure

The Summit Four

The Gentlemen's Agreement

The San Francisco Storm Door & Whale Oil Co.