Nigerian artists William Onyeabor has died, his label Luaka Bop announced.

The mysterious musician, whose contribution to African music was primarily made in the '70s via his synth funk-driven compositions, died "peacefully in his sleep following a brief illness, at his home in Enugu, Nigeria," according to a post on Luaka Bop's Facebook page. Among his most well-known songs are 'Atomic Bomb' and 'Fantastic Man', the latter sharing the title with a documentary released three years ago that features the likes of Damon Albarn and Caribou.

Luaka Bop, who describe Onyeabor as "an extraordinary artist, business man, and visionary," praised the musician's groundbreaking music and entrepreneurship (he self-released nine albums between 1977 and 1985, recording, pressing, and printing him at his own personal plant, Wilfilm Limited), saying he changed their lives "in many ways" and hoping "he will affect you too, one day."

You can watch the Fantastic Man documentary in full below.