Sixty years since The Beach Boys released what is regarded by many as the greatest album of all time, Al Jardine is still mad about the cover art. Pet Sounds famously (or infamously, depending on who you’re talking to) depicts the California band – Carl, Brian and Dennis Wilson, Mike Love and Jardine (Bruce Johnston wasn’t able to appear on the cover for contractual reasons) – feeding apples to goats at San Diego Zoo. “It’s a mess,” Jardine complained to The Independent , ahead of celebrations to mark six decades since the record’s release on 16 May 1966. “Crappy album cover. Just stupid.” Paul McCartney agreed, the musician said, recalling a remark the band received from the Beatles star to “watch your artwork”. “It’s just silly, you know,” Jardine continued, “but sometimes the art department doesn’t talk to the music department. I think that’s probably what happened.…