Johnny Cash, “The Man in Black” who became a towering figure in American music with such hits as “Folsom Prison Blues,” “I Walk the Line” and “A Boy Named Sue,” died today. He was 71. Cash died of complications from diabetes that resulted in respiratory failure, his manager, Lou Robin, said in a statement issued by Baptist Hospital in Nashville. He had battled a disease of the nervous system, autonomic neuropathy, and pneumonia in recent years. Cash had a guest guest part on The Simpsons in 1997, playing the role of the Coyote in the episode ‘El Viaje De Neustro Jomer (The Mysterious Voyage Of Homer)’. Read MSNBC’s tribute to the legendary musician here.