for school im making a presentation saying whos sold what kind of music and how many albums. i was wondering has any one ever reached diamond (10 million albums sold) status and if so who? thanks

Which two bands have sold the most albums?
The Beatles - 160 million (including singles) Led Zeppelin - 105 million (including singles)
Source:
http://www.inthe70s.com/generated/musictriviaa.shtml
Also you need to see:
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Also see:

http://en.wikipedia.org/wiki/The_Beatles