Australian rock band AC/DC [Photo/IC]

No .7 AC/DC: $67.5 million

AC/DC is an Australian rock band, formed in 1973 by brothers Malcolm and Angus Young. AC/DC has sold more than 200 million records worldwide, including 71.5 million albums in the United States alone.

They have been added onto the list of highest-certified musicians in the United States and "100 Greatest Artists of All Time" by Rolling Stone magazine.