I typed this up elsewhere a few years ago. These are my personal Top 40 favorite songs of the '90s. In the order that I thought of them:
EDIT: Screw it. I'm updating it to 50. I've thought of a bunch of other stuff since I typed that list that I can't believe I didn't have.
DOUBLE EDIT: I'll stop at 52. One song for every week of the year.
1. "Free Your Mind" -- En Vogue (1992)
2. "God Lives Underwater" -- All Wrong (1995)
3. "December" -- Collective Soul (1995)
4. "You Oughta Know" -- Alanis Morrisette (1995)
5. "Pump Up the Jam" -- Technotronic (1990)
6. "Funk Soul Brother" -- Fatboy Slim (1998)
7. "I've Got the Power" -- Snap (1990)
8. "Machine Head" -- Bush (1996)
9. "Save Yourself" -- Stabbing Westward (1998)
10. "Vogue" -- Madonna (1990)
11. "Hold Me, Thrill Me, Kiss Me, Kill Me" -- U2 (1995)
12. "Living Dead Girl" -- Rob Zombie (1998)
13. "Paranoid Android" -- Radiohead (1997)
14. "Whatta Man" -- Salt N Pepa (1994)
15. "Move This" -- Technotronic (1990)
16. "I'm Too Sexy" -- Right Fred Said (1991)
17. "6 Underground" -- Sneaker Pimps (1996)
18. "More Human Than Human" -- White Zombie (1995)
19. "The One" -- White Zombie (1996)
20. "Closer" -- Nine Inch Nails (1994)
21. "Monsta Mack" -- Sir Mix a Lot (1993)
22. "Callin' In Sick" -- Weird Al (1995)
23. "Shoop" -- Salt N Pepa (1993)
24. "U Can't Touch This" -- MC Hammer (1990)
25. "Teotihuacan" -- Noel Gallagher (1998)
26. "Bitter Sweet Symphony" -- The Verve (1997)
27. "1979" -- Smashing Pumpkins (1996)
28. "Joyride" -- Roxette (1991)
29. "Roam" -- B-52s (1990)
30. "Tattooed Millionaire" -- Bruce Dickinson (1990)
31. "Livin' on the Edge" -- Aearosmith (1993)
32. "Right Now" -- Van Halen (1991)
33. "Down In a Hole" -- Alice in Chains (1992)
34. "Walking After You" -- Foo Fighters (1997)
35. "Black" -- Sarah McLachen (1991)
36. "One" -- Filter (1998)
37. "Paisley" -- Ministry (1996)
38. "Hurt" -- Nine Inch Nails (1994)
39. "All the Small Things" -- Blink-182 (1999)
40. "Intergalactic" -- Beastie Boys (1998)
41. "Sour Girl" -- Stone Temple Pilots (1999)
42. "Keep Ya Head Up" -- 2Pac (1993)
43. "California Love" -- 2Pac (1995)
44. "Man in the Box" -- Alice in Chains (1991)
45. "Killing in the Name" -- Rage Against the Machine (1992)
46. "Mysterious Ways" -- U2 (1991)
47. "I'm Free" -- The Soup Dragons (1990)
48. "Du Hast" -- Ramstein (1997)
49. "Dragula" -- Rob Zombie (1998)
50. "Cannonball" -- The Breeders (1993)
51. "16 Horses" -- Soul Coughing (1998)
52. "All I Wanna Do" -- Cheryl Crow (1994)