ABBA The Museum. John Vettese/XPN hide caption

itoggle caption John Vettese/XPN

The organization Sweet Adelines International has more than 500 all-female barbershop choruses in its membership, including the Baltimore-based Lustre Quartet. Tina Mahina/Courtesy of the artist hide caption

itoggle caption Tina Mahina/Courtesy of the artist

Amy Winehouse performs at London's Music of Black Origin Awards in 2007. Jo Hale/Getty Images hide caption

itoggle caption Jo Hale/Getty Images

Tori Kelly Lydia Thompson/NPR hide caption

itoggle caption Lydia Thompson/NPR