The Beach Boys recorded "Wouldn't It Be Nice" as the opening track on their landmark album "Pet Sounds." It's my favorite Beach Boys song, but I never knew how insanely complex Brian Wilson's arrangement was: the recording includes two accordionists, two drummers, three bassists, three guitarists, four horn players, two pianists, and at least four singers. The main riff of the song is formed by the twin accordions (working together with a lovely walking bassline), though I would've been hard-pressed to... READ ON