The place to start is:

https://www.eventbrite.com/d/ca--los-angeles/folk-festival/

You can filter on the left for free etc
Many are day time hours

NEXT - Ben Harper's shop Like visiting a museum

https://www.folkmusiccenter.com/events


NEXT - A little pricey but intimate fun McCabe's Guitar Shop.
https://www.mccabes.com/?v=7516fd43adaa

Sincerely,
Gargoyle


Los Angeles has an excellent, reasonable, public transit system. Things got dicey during cv19 but all is up and running. Masks required.