Founded in Tulsa, Oklahoma, in 1945, Sweet Adelines began as a small group of women who loved to sing.
Since then, it has grown into a global organization, connecting thousands of singers worldwide through song.

Continuing in 2026 as SingUnited International, we remain dedicated to preserving the unique sound of a cappella barbershop harmony, sharing our passion for music, and empowering our community in every area of their lives!