Wikipedia : This day (August 9, 1942), in Chicago, Illinois, is born Jack DeJohnette, an American jazz drummer.
Jack DeJohnette : In a career that spans five decades and includes collaborations with some of the most iconic figures in modern jazz, NEA and Grammy winner DeJohnette has established an unchallenged reputation as one of the greatest drummers in the history of the genre.
@allmusic : At his best, he is one of the most consistently inventive jazz percussionists extant. DeJohnette’s style is wide-ranging, yet while capable of playing convincingly in any modern idiom, he always maintains a well-defined voice. DeJohnette has a remarkably fluid relationship to pulse.
@last.fm : He successfully incorporates elements of free jazz while maintaining the deep groove of an R&B drummer. His exceptional experience over time and style, combined with astounding improvisational ingenuity make him one of the pioneers of modern drumming.