Christian McBride in rehearsal at the Kennedy Center. Jeffrey Kliman/Courtesy of the Kennedy Center. hide caption

itoggle caption Jeffrey Kliman/Courtesy of the Kennedy Center.

Steve Coleman practices in his backyard in Allentown, Penn. Jeff Fusco/Courtesy of the John D. and Catherine T. MacArthur Foundation hide caption

itoggle caption Jeff Fusco/Courtesy of the John D. and Catherine T. MacArthur Foundation

Jason Moran's new album is titled All Rise: A Joyful Elegy For Fats Waller. Clay Patrick McBride/Courtesy of the artist hide caption

itoggle caption Clay Patrick McBride/Courtesy of the artist

Stefano Bollani (center) and the musicians who back him on the new album Joy in Spite of Everything. From left: Mark Turner, Bill Frisell, Jesper Bodilsen, Morten Lund. Paolo Soriani/Courtesy of the artist hide caption

itoggle caption Paolo Soriani/Courtesy of the artist

On a new record called Connections: Mind the Gap, tuba player Bob Stewart sums up his career with a showcase of the instrument's versatility. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist