| Artist | Number of songs |
|---|---|
| 403 Forbiddena | 18 |
| 40 Below Summer | 58 |
| 40 Watt Sun | 11 |
| 442oons | 1 |
| 44phantom | 19 |
| 45 Spacer | 1 |
| 4arm | 18 |
| 4backwoods | 12 |
| 4CARAT | 1 |
| 4 Clubbers | 1 |
| 4 Door Theatre | 6 |
| 4everfreebrony | 82 |
| 4hero | 5 |
| 4him | 119 |
| 4 In The Morning | 8 |
| 4LYN | 69 |
| 4Mal | 1 |
| 4Men | 9 |
| 4Minute | 51 |
| 4 minute | 61 |
| 4 Non Blondes | 11 |
| 4post | 8 |
| 4 Skins | 2 |
| 4-Skins, The | 14 |
| 4 Strings | 26 |
| 4TEN | 2 |
| 4th Avenue Jones | 2 |
| 4th Dimension | 19 |
| 4 The Cause | 14 |
| 4Tune | 3 |
| 4TY2 | 1 |