Concertgoers at Hardly Strictly Bluegrass at Golden Gate Park in San Francisco on Oct. 4, 2019. Photos: Paige K. Parsons. SAN FRANCISCO — The first weekend of October in San Francisco is synonymous with Hardly Strictly Bluegrass. The free music festival in Golden Gate Park has for 18 years…

Photos: Courtesy of Bear Music Festival PINECREST, Calif. — As afternoon light dapples through the evergreens, Chuck Prophet & The Mission Express launch into an 18-song, two-hour set. The venue is a poolside stage at Bear Music Festival, a unique family-friendly mashup of summer camp, house party and larger (and…