Gospel music was a big part of Johnny Cash's repertoire and legacy. He originally auditioned at Sun Records as a Gospel singer and throughout his life he released dozens of gospel songs and albums.
As a child growing up in America, I took US History classes in school like everyone else. Like many kids, I can recall very little of what I learned back then.
Music icons Johnny Cash and June Carter Cash are famous throughout the world so most of their life together is public knowledge. However, few people know that they owned a home in Jamaica and spent decades there, especially in their later years.
While Johnny Cash was both a singer and a songwriter, sometimes he was just the singer and did away with the songwriting part of it; yes, even Johnny Cash performed and recorded "cover tunes". In music a cover tune is a new performance or recording of an old song made popular by someone else.