Complex sentence: In 1986, he started singing with a new version of The Mamas and the Papas and in 1988 co-wrote the Beach Boys hit "Kokomo" with Phillips, Mike Love and Terry Melcher featured in the hit Tom Cruise movie "Cocktail".
Split into simpler sentences: In 1986, he started singing with a new version of The Mamas and the Papas. In 1988 McKenzie co-wrote the Beach Boys hit "Kokomo" with Phillips, Mike Love and Terry Melcher; as featured in the Tom Cruise movie, "Cocktail".