The most useful "social media" sites for musicians are fairly vanilla forums. Heavily moderated, single well-understood focus, &c. &c. Example: https://talkbas

The most useful "social media" sites for musicians are fairly vanilla forums. Heavily moderated, single well-understood focus, &c. &c. Example: https://talkbass.com https://talkbass.com is for people to talk about playing bass. And as you suggest for crafting, there are lots of old posts that are valuable today. For example, bowing (arco) technique on double bass.