The prolific blues musician also played alongside Memphis Slim, Howlin’ Wolf, and James Cotton.
Kirwan joined the group when he was just 18, going on to record five albums with the band between 1969 and 1972.
Shekoski allegedly threatened violence against both his former bandmates and himself.
Influential guitarist’s guitarist was also a member of Tempest, U.K., and Bruford.
Red Hot Chili Peppers guitarist has had it with comparisons to former member.
The Boss sang “Henry Boy” for his debut performance in 1972 at Max’s Kansas City.
Guitar wizard’s forthcoming album, Azel, arrives this spring.