[opium_tea]

what styles are contained in folk tradition choral music? I know of sacred harp singing which can be really spectacular.

[vintermann]

This is sacred male choral music from my region:

https://youtu.be/RpDQduUh9ao?si=JgZUaOmU9Cpbt7kI

This is pretty much a living folk choral tradition. Maybe a bit influenced by classical church choral singing, but definitively its own thing in both vocal style and arrangement style.

[franch]

In our Alpine region there is a long tradition of male choruses singing folk songs about mountain life and tales through rich harmonizations of pieces. An example from coro SAT: https://www.youtube.com/watch?v=xQZyZggh3SQ