OK, I've created https://thoughts.pivic.com which is a @writefreely site where I aim to write short posts about different things, perhaps mainly on music.
Because WriteFreely uses ActivityPub, you can follow this account via Mastodon if you want to get updates: @niklas . There's also an RSS feed: https://thoughts.pivic.com/feed/
My first post is about Hania Rani's excellent new album: https://thoughts.pivic.com/hania-rani-non-fiction-piano-concerto-in-four-movements
Hopefully this will be a way for me to get back to short writing that isn't Mastodon!