It's a group-address at https://gup.pe which overcomes insularity of fediverse instances causing hashtags not working well locally especially on small instances.
If you are interested in posts in the group just follow it like you would any other user on fedi.
Please boost this widely!
SoNoMu (Sound Noise Music) is a mastodon instance for musicians, sound-artists, producers of any kind of aural noise, songwriters, bedroom producers, sonic manglers and algorave livecoders. -> more...