I'll complete the list with other bands/artists I like (with updated popularity).
1. The Beatles (22,017,902)
2. The Doors (9,666,867)
3. The Rolling Stones (7,753,711)
4. John Lennon (4,543,415)
5. Bob Dylan (3,181,834)
6. The Jimi Hendrix Experience (2,419,535)
7. The Who (2,082,109)
8. Paul McCartney (1,180,706)
9. Grateful Dead (1,114,874)
10. George Harrison (779,112)
11. The Beach Boys (762,133)
12. Simon & Garfunkel (638,871)
13. Ringo Starr (615,416)
14. The Bee Gees (526,175)
15. The Kinks (410,344)
16. Jefferson Airplane (291,253)
17. The Band (66,869)
18. The Byrds (56,467)
19. The Hollies (48,994)
20. Donovan (40,329)
21. Traffic (34,105)
22. Creedence Clearwater Revival (33,684)
23. King Crimson (30,979)
24. Derek & The Dominos (21,913)
25. Cream (14,408)
26. The Animals (13,275)
27. The Pretty Things (10,354)
28. The Lovin' Spoonful (10,009)
29. Poco (9,837)
30. The Grass Roots (9,726)
31. Quicksilver Messenger Service (7,740)
32. The Mamas & The Papas (7,139)
33. The Yardbirds (5,055)
34. Crosby, Stills, Nash & Young (4,986)
35. The Association (4,745)
36. The Turtles (3,998)
37. The Zombies (3,690)
38. The Small Faces (2,685)
39. Love (2,330)
40. Pete Townshend (1,958)
41. Procol Harum (1,112)
42. Nazz (868)
43. The Flying Burrito Brothers (518)
44. Buffalo Springfield (386)
45. Strawberry Alarm Clock (342)
46. Spirit (294)
47. Moby Grape (165)
48. Fairport Convention (109)
49. Gene Clark (77)
50. The United States Of America (33)