Beatles in the Park returns to San Anselmo's Creek Park on Saturday. (Photo by Trevor Henley) Beatles in the Park returns to San Anselmo's Creek Park on Saturday. (Photo by Trevor Henley) San Anselmo's Beatles in the Park celebrates its 20th anniversary this year.

(Photo by Trevor Henley) Beatles in the Park returns to San Anselmo's Creek Park on Saturday. (Photo by Trevor Henley) On their 1967 concept album “Sgt. Pepper’s Lonely Hearts Club Band,” the Beatles were ready to shed their teen-idol baggage by literally transforming into a different group, donning psychedelic marching-band costumes and incorporating everything from Indian classical to pre-war English comic songs into their sound.

On the album’s introductory title track, Paul McCartney announced this new era with one of the most iconic opening lines in rock: “It was 20 years ago today/Sgt. Pepper taught the band to play.” As such, the 20th installment of Beatles in the Park in San Anselmo carries a special significance.

“I’ve been waiting for this since I joined,” says Nish Nadaraja of the San Anselmo Arts Commission, which hosts the annual Beatles tribute at San Anselmo’s Creek Park. The Liddypudlians, one of the most frequent performers at Beatles in the Park, will play at the event on Saturday night. While the event is sold out, donations can still be made on Eventbrite .

The funds will support the San Anselmo Arts Commission’s programs and events. Peter Penhallow, who started Beatles in th.