Complex sentence: The following year, Beach Boys press agent Derek Taylor published an article which wrote of an arranged meeting between him, Brian, and Paul McCartney in August 1966, where Brian had played an early acetate record of "Good Vibrations" for McCartney.
Split into simpler sentences: The following year, Beach Boys press agent Derek Taylor wrote and article which claimed that he attended an arranged meeting between him, Brian, and Paul McCartney in August 1966. During the meeting, Brian played an early acetate record of "Good Vibrations" for McCartney.