This is very sad. All the post-punk heroes are dying too soon (Pete Shelley, Mark E. Smith, all with in the last couple of years)
Gang of Four were an absolutely incredible breakthrough that invented abrasive post-punk with a killer funk bass and beats.
ANDY GILL, Guitarist And Founding Member Of GANG OF FOUR, Dead At 64 (Feb. 1, 2020)
https://blabbermouth.net/news/andy-gill-guitarist-and-founding-member-of-gang-of-four-dead-at-64/
RIP
Remembering Gang of Four’s Andy Gill, Who Ripped Punk to Shreds
https://pitchfork.com/thepitch/remembering-gang-of-fours-andy-gill-who-ripped-punk-to-shreds/
RIP, Andy Gill, Revolutionary Guitarist for Post-Punk Innovators Gang of Four
Andy Gill, Gang of Four Guitarist Who Gave Punk Space And Groove, Dead At 64
https://www.npr.org/2020/02/04/802407363/andy-gill-gang-of-four-guitarist-who-gave-punk-space-and-groove-dead-at-64