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The American A Cappella Alliance

The AACA promotes a cappella ensemble singing of all styles of popular music.
AACA sponsors an annual concert festival called Spring Sing where members and guest groups
share their newest repertoire. We invite you to explore the website to learn more about us.

Counting down to Spring Sing 65 • April 29 – May 1, 2022

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Save the Date! For A LIVE MAINE Spring Sing!

Join our Spring Sing 65 hosts, the Ellas & Fellas—in gorgeous magical Bar Harbor, Maine—for a fun-filled weekend of entertainment, friendship, and great a cappella! The venues for the favorite event will include the lovely Atlantic Oceanside Hotel, Jack Russell’s Steakhouse, and the Criterion Theatre.

More Information and Registration

AACA Groups

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AUGMENTED 8
Washington, DC

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ELLAs & FELLAS
Blue Hill, ME

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LAKE SHORE JIVE
Chicago, IL

Off Sounder 2022

OFF SOUNDERS
Greenwich, CT

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CAHOOTS
Ewing | Guilford | Sodus Point

Grunyons in performance

GRUNYONS
Detroit, MI

New Wizard Oil Combination Group Shot

NEW WIZARD OIL COMBINATION
Denver, CO

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THE WORKS
Boston, MA

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COUNTERPARTS
Philadelphia, PA

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JERSEY TRANSIT
Princeton, NJ

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NOTEWORTHY
Detroit, MI

Guest Group Favorites

Coda Singing Group

Coda/Spain

DaVinci’s Notebook / VA

The Bobs

OU Gold Vibrations / MI

Trinity Pipes / CT

Yale Out of the Blue / CT

Route 66 / IL

Interested in being
a guest group?
Contact Us ›

Photography: Courtesy of Atlantic Oceanside Hotel, Jack Russell’s, Criterion. Bar Harbor skyline: Flckr.com Graham O’Keefe

© 2026 — American A Cappella Alliance, a 501(c)(3) nonprofit