| Rank | Board name and description | Posts | Members |
| 1 | Harmony Central Music and instruments forums | 22468806 | 199041 |
| 2 | idolforums.com American Idol series forums | 21469749 | 94716 |
| 3 | Ants marching Dave Matthews Band discussion boards | 9990292 | 190999 |
| 4 | Ultimate Metal Metal Music message boards | 7188264 | 105737 |
| 5 | Wacken Wacken heavy metal open air discussion forums | 4296577 | 49806 |
| 6 | Jam Bands Bulletin Boards Fans of jam bands hangout forums | 3549861 | 9347 |
| 7 | Nancies Dave Matthews Band forums | 3511455 | 37424 |
| 8 | Rap Music Rap and Hip Hop message boards | 3260603 | 121885 |
| 9 | VolNation Tennessee Vols fans forum | 2938083 | 27966 |
| 10 | NME Music publication board | 2171784 | 508901 |
| 11 | Phishhook Live concert recording and music trading community | 2065240 | 67211 |
| 12 | Muse Live Muse fans forum | 1792333 | 80738 |
| 13 | Am I Dreaming Dave Matthews Band discussion forum | 1591678 | 59054 |
| 14 | LiveSets Electronic Music forums | 1162433 | 137934 |
| 15 | DMB Tabs Guitar discussion boards | 1080604 | 5136 |
| 16 | HFStival Local radio rock festival forums | 1026057 | 4493 |
| 17 | OAR Fans Of a Revolution fans message boards | 966665 | 9057 |