12 people are working on…

Wikipedia's "Albums claimed to have sold 30 million or more units"

1. 
   se71
2. 
   shroud
3. 
   viduka
4. 
   dion gillard
5. 
   SarahDoucet
6. 
   rnhaas
7. 
   DanBull
8. 
   knunn
9. 
   bkwrms78
10. 
    MARK
11. 
    Reyka
12. 
    hscottroth