was an American guitarist and singer who is best known as a founding member of the rock band Chicago. He played lead guitar and sang lead vocals on many of the band's early hit singles alongside Robert Lamm and Peter Cetera. He has been praised by his bandmates and other musicians for his guitar skills and his Ray Charles–influenced vocal style. Jimi Hendrix cited Terry Kath as one of his favorite guitarists, and considered Kath to be "the best guitarist in the universe