1. The Beatles (band)
The beatles sold 178 milions albums since they appeared in music industry
The artists that singned in The Beatles are: Jhon Lennon, Paul McCarteny, George Harrison and Ringo Starr.
2. Garth Brooks
Troyal Garth Brooks sold over 130 millions albums since he started his career as a country music singer.
Garth Brooks had success only in America, because the international market does not buy/listen Country Music.
3. Elvis Presley
This is probably the most known singer of America. He managed to sell over 135.5 millions copies of his music albums.
4. Led Zeppelin (band)
The band Led Zeppelin sold over 111.500.000 albums since the groped. The band in consisted of: Jimmy Page, Robert Plant, John Paul Jones and Jon Bonham.