When the Beach Boys returned from a month - long tour of Europe , they were confused by the new music he had recorded and the new coterie of interlopers that surrounded him .
By December 1966 , Wilson had completed much of the Smile backing tracks .
When the Beach Boys returned from a month - long tour of Europe , they were confused by the new music Wilson had recorded and the new coterie of interlopers that surrounded Wilson .
By December 1966 , Wilson had completed much of the Smile backing tracks .