What a name, Abraxas! Was he a Gnostic too? 
You mean Carlos Santana? I've never seen it mentioned. He's known to have been a follower of the Indian spiritual leader Sri Chinmoy.
According to the album's wiki, its title "originates from a line in Hermann Hesse's 1919 book 
Demian, quoted on the album's back cover: 'We stood before it and began to freeze inside from the exertion. We questioned the painting, berated it, made love to it, prayed to it: We called it mother, called it whore and slut, called it our beloved, called it Abraxas…'"
And then there's this: 
https://www.hallels.com/articles/17518/20170604/carlos-santana-talks-about-how-christian-faith-saved-him-after-seven-suicide-attempts.htmThere's also this discussion at Reddit, which probably doesn't tell you much you don't know already:
https://www.reddit.com/r/literature/comments/10kibwy/whatwho_exactly_is_abraxas/I see you've defined Abraxas at least twice in your wonderful blog essays on Gnosticism...