SHARE Your Interest in the Blues
Madison Blues Society
Madison Blues. It’s private, so you’ll need to ask to join. MBS is not affiliated with this group.
Search for ALL Blues Music groups on Facebook! There are at least a gazillion of them.
Meetup: Share an interest in Blues music
Groups.io: Publicly Listed Groups
Note: these searches will inevitably bring up some items that are not about blues music.
MojoHand.com , Bluescentric, and Blues Images. Online stores that feature T-shirts, posters, and art, in addition to CDs. There’s a lot of interesting merchandise to check out here.
These general-purpose sites have some blues-related merch. Of course, searching on them will inevitably bring up items that have nothing to do with music: ebay, Etsy