I love Johnny Cash music.
I love him as well, He has some of the best-selling music of all time, I believe he sold more than 90 million records worldwide to date. 
Wow, that is impressive. He has some really iconic song such as Ring of Fire. What else do you know about Johnny Cash?
Johnny Cash
Johnny Cash (born J.R. Cash; February 26, 1932 – September 12, 2003) was an American singer-songwriter, guitarist, actor, and author. He is one of the best-selling music artists of all time, having sold more than 90 million records worldwide. 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 being inducted into
Bruno Mars discography
American singer-songwriter Bruno Mars has released three studio albums, one EP, 27 singles (eight as a featured artist) and three promotional singles. To date, he has sold over 100 million records worldwide, making him one of the best-selling artists of all time. Six of his singles are among the best-selling singles of all time: in order of release date, "Just the Way You Are", "Grenade", "The Lazy Song", "When I