The older brother with this surname also collaborated with elements of the Modern Jazz Quartet on albums like  
One musician with this surname was only eleven years old when he wrote the song "I'm On My Way," which was included  on his uncle's live album Why Am I Treated So Bad!  That music director for Luther Vandross shares this surname with  another performer who took the lead on such albums as Sayin' Something and Work Song, but was just as prolific as a sideman for his brother. Those two men with this surname collaborated on albums like Accent on Africa and Sophisticated  Swing. The older brother with this surname also collaborated with elements of the Modern Jazz Quartet on albums like  Know What I Mean?  Joe Zawinul wrote the song (*) "Mercy, Mercy, Mercy," which was recorded by a man with this surname  who performed alongside John Coltrane and Miles Davis on Kind of Blue. For 10 points, identify this surname shared by a pair of  jazz-musician brothers, the cornetist Nat and the saxophonist Julian, or "Cannonball."
One musician with this surname was only eleven years old when he wrote the song "I'm On My Way," which was included  on his uncle's live album
Adderley [Nat, Julian, Cannonball, or Nat Jr.]