Complex sentence: Jeffrey Thomas "Jeff" Porcaro (April 1,1954--August 5,1992) was an American drummer, songwriter, and record producer best known for his work with the rock band Toto.
Split into simpler sentences: Jeffrey Thomas "Jeff" Porcaro (April 1,1954--August 5,1992) was an American drummer, songwriter, and record producer. In a career that spanned more than 20 years, Porcaro was best known for his work with the rock band Toto.