"...his health was starting to fail, as he had always expected, following bouts of rheumatic fever in childhood. This knowledge had always spurred him on to exploit his musical talent while still young. He died at 37, following a heart operation in Los Angeles."
- Wikipedia: Bobby Darin
Darin is probably known best for his recording of "Mack the Knife" in 1958. Simon Cowell named "Mack the Knife" the best song ever written. And Frank Sinatra called Darin's the "definitive" version: