Normalisr

1. Gojira

849 tracks = 4188 mins.
Originally ranked 1 

2. Sonata Arctica

301 tracks = 1359 mins.
Originally ranked 2 

3. Opeth

2

134 tracks = 1051 mins.
Originally ranked 5 

4. Olympos Mons

1

181 tracks = 908 mins.
Originally ranked 3 

5. Sabaton

1

174 tracks = 701 mins.
Originally ranked 4 

6. Amorphis

133 tracks = 585 mins.
Originally ranked 6 

7. Amon Amarth

1

103 tracks = 487 mins.
Originally ranked 8 

8. Shadow Gallery

3

84 tracks = 473 mins.
Originally ranked 11 

9. Porcupine Tree

3

80 tracks = 472 mins.
Originally ranked 12 

10. Symphony X

3

80 tracks = 446 mins.
Originally ranked 13 

11. Joe Satriani

2

92 tracks = 410 mins.
Originally ranked 9 

12. Edguy

3

75 tracks = 381 mins.
Originally ranked 15 

13. Devin Townsend

3

70 tracks = 353 mins.
Originally ranked 16 

14. The Beatles

7

123 tracks = 328 mins.
Originally ranked 7 

15. Pain of Salvation

3

65 tracks = 325 mins.
Originally ranked 18 

16. Nile

2

75 tracks = 310 mins.
Originally ranked 14 

17. Assemblage 23

5

59 tracks = 307 mins.
Originally ranked 22 

18. Meshuggah

1

61 tracks = 302 mins.
Originally ranked 19 

19. Fugazi

9

90 tracks = 297 mins.
Originally ranked 10 

20. Steve Vai

61 tracks = 279 mins.
Originally ranked 20 

21. The Flower Kings

23

36 tracks = 268 mins.
Originally ranked 44 

22. Karate

7

52 tracks = 266 mins.
Originally ranked 29 

23. Steven Wilson

2

56 tracks = 266 mins.
Originally ranked 25 

24. The Flaming Lips

58 tracks = 242 mins.
Originally ranked 24 

25. Eluveitie

4

61 tracks = 239 mins.
Originally ranked 21 

26. Pink Floyd

10

43 tracks = 233 mins.
Originally ranked 36 

27. Moonspell

3

51 tracks = 233 mins.
Originally ranked 30 

28. Jethro Tull

11

39 tracks = 228 mins.
Originally ranked 39 

29. Massive Attack

9

40 tracks = 216 mins.
Originally ranked 38 

30. A Perfect Circle

3

53 tracks = 213 mins.
Originally ranked 27 

31. Scar Symmetry

1

50 tracks = 207 mins.
Originally ranked 32 

32. Bolt Thrower

2

48 tracks = 204 mins.
Originally ranked 34 

33. North Atlantic Oscillation

50 tracks = 204 mins.
Originally ranked 33 

34. Insomnium

6

39 tracks = 199 mins.
Originally ranked 40 

35. Boole

6

39 tracks = 187 mins.
Originally ranked 41 

36. Warren Zevon

8

53 tracks = 187 mins.
Originally ranked 28 

37. Zero 7

6

37 tracks = 186 mins.
Originally ranked 43 

38. Slayer

7

50 tracks = 181 mins.
Originally ranked 31 

39. Queensrÿche

7

35 tracks = 151 mins.
Originally ranked 46 

40. Chroma Key

10

33 tracks = 147 mins.
Originally ranked 50 

41. Kamelot

7

34 tracks = 146 mins.
Originally ranked 48 

42. Gomez

37 tracks = 146 mins.
Originally ranked 42 

43. Murder by Death

8

44 tracks = 141 mins.
Originally ranked 35 

44. Trans-Siberian Orchestra

5

34 tracks = 132 mins.
Originally ranked 49 

45. The Who

2

35 tracks = 124 mins.
Originally ranked 47 

  Rachel Maddow

No artist ID from Last.fm (why?) - try to find this artist on Musicbrainz.  

  PBS NewsHour

No artist ID from Last.fm (why?) - try to find this artist on Musicbrainz.  

  The Diane Rehm Show

No artist ID from Last.fm (why?) - try to find this artist on Musicbrainz.  

  On Point with Tom Ashbrook

No artist ID from Last.fm (why?) - try to find this artist on Musicbrainz.  

  NPR

Problem with Musicbrainz artist ID (why?) - try to find this artist on Musicbrainz.