Experience an exciting evening of competition and performance!
Contest begins at 6:30 PM | Doors open at 6:00 PM.
Tulsa Central Ballroom | Hyatt Regency Tulsa Downtown
Audience admission will be available for purchase onsite (credit cards only!). Online ticket sales have closed.
Diamond Division Audience Admission: $15/per person
Combo Diamond Division & Rising Star Audience Admission: $25/per person
Attending SingUnited International's A Cappella Academy & Queens' College with The Coronet Club? Admission to both contests is free!
Livestream access sold separately. All prices listed in USD.
Yes! The Diamond Division Quartet Contest will be available via Livestream.
On-demand access to the Livestream is $15/per device or $25 for combo access to Diamond Division and Rising Star. Prices listed in USD.
All about the Livestream:
- Onstage Times coming soon!
- On-demand access is available for 30 days.
- Livestream access is per device and can only be purchased online.
- You'll be prompted to create an account.
- Livestream and replay will be accessible only through your account. Logging in on multiple devices will result in an error.
- For all livestream inquiries: liveevents@corys.pro
Coming Soon!
About Diamond Division
The Diamond Division Quartet Contest is for members of SingUnited ages 55 years and above with a combined age of 240 at the date of the contest.
All competitors receive detailed feedback from a star-studded panel of SingUnited Judges to help them shine brighter and take their artistry to the next level!
The winning quartet is also invited to perform at the 2026 SingUnited International Competition in Columbus, Ohio.
Follow the Diamond Division Facebook page to share your quartet's journey and connect with a community of supportive singers!
Patty Cobb Baker (Tenor), Kerri Mauney (Lead), Denise Tazumi (Baritone), Patti Britz-Stensaker (Bass)
SingUnited Affiliation: Region #10 Great Gulf Coast
View 2025 contest scores, a list of competing quartets and personnel, and watch on YouTube!
Congratulations to Bubbly, 2024 Diamond Division Champion Quartet!
Tenor: Dana Dunlevy, Lead: Carol Beckmann, Baritone: Lana Owens, Bass: Gari Brindle
SingUnited Affiliation: Region #9 Coastal Harmony
Contest Results
First Place: Bubbly
Second Place: Shine!
Third Place: Treble in the Village
Fourth Place: Just4Kicks
Fifth Place: Whimsy
Congratulations to Quad City Sound, 2023 Diamond Division Champion Quartet!
Tenor: Jan Fisher, Lead: Melody White, Baritone: Denise Fly, Bass: Vickie Dennis
Sweet Adelines Affiliation: Region #10 Great Gulf Coast and Region #25 Heart of America
Contest Results
First Place: Quad City Sound
Second Place: Touchstone
Third Place: Party Mix
Fourth Place: No Curfew
Fifth Place: Radiance
Congratulations to Madison Avenue, 2022 Diamond Division Champion Quartet!
Tenor: Anne Fenton, Lead: Barbara Underwood, Baritone: Jacque Glasgow, Bass: Carline Rocco
Sweet Adelines Affiliation: Region #25 Heart of America
Contest Results
First Place: Madison Avenue
Second Place: Upbeat
Third Place: It's About Time
Fourth Place: New Edition