John R. "Johnny" Cash was a singer-songwriter, actor, and author, widely considered one of the most influential American musicians of the 20th century. Although primarily remembered as a country music icon, his genre-spanning songs and sound embraced rock and roll, rockabilly, blues, folk, and gospel. This crossover appeal won Cash the rare honor of multiple induction in the Country Music, Rock and Roll, and Gospel Music Halls of Fame. Cash was known for his deep bass-baritone voice, the distinctive sound of his Tennessee Three backing band, a rebelliousness coupled with an increasingly somber and humble demeanor, free prison concerts, and trademark look, which earned him the ... more on Wikipedia