I lived in Santa Cruz in my youth. There was a theater called the Nickelodeon. They played a mix of foreign and very old B&W movies. It was great on Friday nights. After the movies we went to a club called the Catalyst.
The Catalyst is still open too, and looks to start having concerts again in April.
Spent 20 years in San Francisco, Santa Cruz was our favorite weekend trip, kids loved the Boardwalk for 10 years.