Off Topic: Top 40 Best Selling Japanese Acts

Not much Rock, but at least one of my faves is still no.1. )

Rankings Are Based On Sales

1. B'z
2. Mr.Children
3. Ayumi Hamasaki 　　　　
4. Southern All Stars
5. DREAMS COME TRUE
6. Yumi Matsutoya
7. GLAY
8. ZARD
9. Hikaru Utada
10. SMAP
11. CHAGE&ASKA
12. Namie Amuro
13. Seiko Matsuda
14. globe
15. L'Arc～en～Ciel
16. Akina Nakamori
17. KinKi Kids 　　
18. TUBE
19. Maki Oguro
20. Every Little Thing
21. Miyuki Nakajima
22. TRF
23. Tsuyoshi Nagabuchi
24. Noriyuki Makihara
25. SPITZ
26. Masaharu Fukuyama
27. SPEED
28. Kome Kome CLUB
29. EXILE
30. Misia
31. Morning Musume
32. Momoe Yamaguchi
33. Arashi
34. Kyosuke Himuro
35. Yosui Inoue
36. Hiromi Go
37. Kenji Sawada
38. Mai Kuraki
39. CHECKERS
40. Miki Imai

Source: Japan Music Station And peachie_ego