Apple announced Wednesday that it is acquiring Beats Electronics for $3 billion. Beats, the headphone and music streaming specialist, also brings the swagger of rapper Dr. Dre and recording impresario Jimmy Iovine. Michael Dwyer/AP hide caption

itoggle caption Michael Dwyer/AP

Music collective Bang on a Can All-Stars is one of the musical partners sharing a bill with the New York Philharmonic during the Biennial. Konstantin Sergeyev/Courtesy of the artist hide caption

itoggle caption Konstantin Sergeyev/Courtesy of the artist

The 85 musicians in the Santa Cecilia Orchestra are paid professionals who play with other symphonies and in Hollywood studios. Courtesy of the Santa Cecilia Orchestra hide caption

itoggle caption Courtesy of the Santa Cecilia Orchestra

"In my music I speak of unknown things, impossible things, ancient things, potential things," Sun Ra said in a 1980 documentary. May 22, 2014 is the 100th anniversary of the composer and bandleader's birth. Michael Ochs Archives/Getty Images hide caption

itoggle caption Michael Ochs Archives/Getty Images

Jimmy Page, Robert Plant, and John Bonham of Led Zeppelin, in 1970. A new lawsuit says the group borrowed from another band's work without crediting it, for the huge hit "Stairway to Heaven." Roger Jackson/Getty Images hide caption

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Rufus Reid has played with just about everybody in the mainstream jazz world. His latest project, Quiet Pride, is based on works by the late sculptor and civil rights activist Elizabeth Catlett. Jimmy Katz/Courtesy of the artist hide caption

itoggle caption Jimmy Katz/Courtesy of the artist

In a scene from the Cleveland Orchestra's The Cunning Little Vixen, two actors (Julie Boulianne as Dog and Martina Jankova as Vixen) appear from behind a computer-animated backdrop. Roger Mastroianni/Cleveland Orchestra hide caption

itoggle caption Roger Mastroianni/Cleveland Orchestra