RABM means Red and Anarchist Black Metal, but it is not only related to it, but also can include crust and dungeon synth.
he idea of this community is to present some of the radical left-wing extreme bands available.
I hope you can enjoy this community and contribute with it.
Thanks for your fast answer and detailed insight. Will check out the mentioned community, maybe you can put the link into the sidebar as reference.
Metal is so huge and has so many sub-genres, it is really hard even for me to see trough all of it.
PS
Welcome. 🙏