Diamond Division Quartet Contest Aug. 01, 2025 Basic event infoEvent date: Aug 1 2025 - 6:00pm to 10:00pmLocation: Hyatt Regency Downtown hotel Tulsa United States See map: Google Maps US Public event fieldsDiamond Division Quartet Contest August 1, 2025 Tulsa, Oklahoma, USA Enter to compete by May 30. Completed Entry Forms accompanied with payment will be accepted in the order they are received. Quartets will be placed on a waiting list after the 15 competitor slots have been filled. Read more at Sweet Adelines site for the event Program finalized:
