@LilFluff I don't have an account, but I'd like to recommend wandering.shop. Also to tell them about my late uncle, who was a filker and who gave me an old songbook he and a bunch of people put together at a con once.
It might help if someone tells him that it is easy to change instances. He doesn't have to start with the right instance. He just needs to start.
Welcome to the Planet! We're a small but unrestrictive community and customized Mastodon server.
We welcome anyone who wants to come join and whatever language you speak! Especially if you're a creative type, queer, a nerdy enthusiast of Something, you'll feel right at home, but we're proud to be a friendly and welcoming community.
We also have certain features that don't exist on most mastodon servers, such as being able to post to only other members of the Planet.