Jellybean Johnson -- best known for being a founding member of Prince's band The Time -- has died.

Jellybean -- real name Garry George Johnson -- died suddenly Friday night, his family tells TMZ. The cause of death is currently unknown.

Aside from being the one and only drummer in The Time -- which later changed its name to Morris Day and the Time and the Original 7ven -- the late musician is known for being a leading innovator in what became known as the Minneapolis Sound -- a funk, rock and soul movement in the 1970s and '80s.

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