"There was a lot of tears. There was a lot of anguish," Jimmy Greene says of writing Beautiful Life. Jimmy & Dena Katz/Courtesy of the artist hide caption

itoggle caption Jimmy & Dena Katz/Courtesy of the artist

Herbie Hancock and Pharrell Williams performed Williams' hit "Happy" at the 2014 Thelonious Monk International Jazz Trumpet Competition. Imeh Akpanudosen/Getty Images for Thelonious Monk Institute of Jazz hide caption

itoggle caption Imeh Akpanudosen/Getty Images for Thelonious Monk Institute of Jazz