See if this offers any help, https://support.guitartricks.com/hc/en-us/articles/216287137-How-do-I-cancel-my-account-
If you think you've allowed enough time for a response to your emails try the phone;
(855) 394-8482 (9 -5 PST, M-F).
"It takes a lot of devotion and work, or maybe I should say play, because if you love it, that's what it amounts to. I haven't found any shortcuts, and I've been looking for a long time."
-- Chet Atkins
-- Chet Atkins