Smokey Robinson Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Elton John tells Fresh Air's Terry Gross that The Diving Board is "a very adult album." Joseph Guay/Courtesy of the artist hide caption

itoggle caption Joseph Guay/Courtesy of the artist

Elton John speaks at the International Aids Conference in Washington, D.C., on Monday. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP

Elton John performs in Ibiza earlier this month. The British singer's new memoir is titled Love Is the Cure. Jaime Reina/AFP/Getty Images hide caption

itoggle caption Jaime Reina/AFP/Getty Images

Sir Elton John and Leon Russell perform at the Beacon Theatre in New York City. Slaven Vlasic/Getty Images North America hide caption

itoggle caption Slaven Vlasic/Getty Images North America

Leon Russell (left) and Elton John. Larry Busacca hide caption

itoggle caption Larry Busacca

Junip, a new project from Swedish singer-songwriter Jose Gonzalez (center). Jon Bergmann hide caption

itoggle caption Jon Bergmann