Leon “Ndugu” Chancler   July 1, 1952 – February 3, 2018) was an American pop, funk, and jazz drummer. He was also a composer, producer, and university professor.

Born in Shreveport, Louisiana, on July 1, 1952, Leon Chancler was the youngest of seven children from the union of Rosie Lee and Henry Nathaniel Chancler. In 1960, the family relocated to Los Angeles, California.

By the time he finished college, Chancler had already performed with jazz artists such as the Gerald Wilson Big Band, Herbie Hancock, and recorded with Miles Davis, Freddie Hubbard, and Bobby Hutcherson.

He recorded frequently as a sideman in jazz, blues, and pop music, including the instantly recognizable drums on Michael Jackson‘s “Billie Jean“. In 1982, he received a Grammy nomination for Best Rhythm & Blues song for co-writing “Let It Whip”, made famous by the Dazz Band. Other musicians with whom Chancler worked during his career included George Benson, Stanley Clarke, the Crusaders, George Duke, John Lee Hooker, Hubert Laws, Thelonious Monk, Jean-Luc Ponty, Lionel Richie, Kenny Rogers, Patrice Rushen, Santana, Frank Sinatra, Donna Summer, the Temptations, Tina Turner, and Weather Report.

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