“Accordion is coming back,” Gaughenbaugh said, smiling. “For a while it was kind of a joke.” Back in the ’60s, ’70s and ’80s, Los Angeles had a well-established accordion ecosystem.

With 27,000 classes available (including 2,000 free ones), Skillshare is an enormous and endless source of online education for pretty much anything, but is also ideal for music and instruments.