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For the record

  • Who: Edna Mae Anderson

  • What: Largest singing lesson

  • Where: United States

The largest singing lesson involved 6,651 participants and was achieved by Sweet Adelines International during the 63rd Annual Sweet Adelines International Convention and Competition at the Sommet Center in Nashville, Tennessee, USA, on 24 October 2009.

Sweet Adelines International is an organization of female barbershop music singers based in Tulsa, Oklahoma, established by Edna Mae Anderson in 1945. Event organisers seek to educate organizational members about barbershop harmony to advance the artform.


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