Since then, Copeland has done it all, composing for the opera, ballet, and symphony, crossing back over into rock, experimenting with music from other cultures, and composing for film and television.

CNN: Copeland finding happy 'balance' in life after Police

After experimenting with jazz, reggae, Latin music and rock, Keita had a revelation a few years back.

NPR: Salif Keita Savors 'La Difference'

After more than a decade of jamming, improvising and experimenting with sound, Benevento has discovered his own way into music by combining the thrust of rock, the questing of jazz and the experimental ecstasy of jam.

NPR: Marco Benevento: Jazz Not Jazz