In the year before the release of Pet Sounds , 55 years ago this past week, Brian Wilson produced a number of songs - mostly deep cuts - that show where he was taking the music. For the most part, the songs are from Today! and Summer Days (And Summer Nights) with one non-album single. Some have the complex arrangements and instrumentation that would fit in on Pet Sounds . Other cuts have a similar fullness of sound, even if their structures are tied to doo wop or Chuck Berry. The biggest hit here, "California Girls", uses a "Happy Trails" bum-ba-dee-dah which is similar to that used in "Wouldn't It Be Nice". "The Little Girl I Once Knew" may have been too progressive for its time. The dead stops in the middle may have cost it some airplay, while the introductory arpeggios anticipate the guitar solos of the 1970's, from Ace Frehley to Hotel California. Some of the songs are of a sort with their earlier material - sun and fun. Others