Listen to this rare audio of Elvis Presley singing the Johnny Cash hits “Folsom Prison Blues” and “I Walk the Line”
Before singing those songs, Elvis starts out by joking, “Good evening, Ladies and Gentlemen. Welcome to the International. I’m Johnny Cash.” That would indicate that this recording was made during one of Elvis’s performances at the International Hotel in Las Vegas, at which he appeared many times in the early 1970s.
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