| Abbreviation | Definition |
|---|---|
| NT | No Trebles |
| NTOT | Northern Theatre Organ Trust |
| NTSM | National Training School for Music |
| NTSO | National Taiwan Symphony Orchestra |
| NTSO | New Texas Symphony Orchestra |
| NTTX | nTTx - electronic band from Toronto Canada. Mixes EBM, industrial and synthpop into a dark but dance |
| NTYO | North Texas Youth Orchestra |
| NVCB | Nashoba Valley Concert Band |
| NVOF | New Voices Of Freedom |
| NVPO | Neponset Valley Philharmonic Orchestra |
| NVS | Nittany Valley Symphony |
| NWA | Niggas With Attitude |
| NWF | Nowhere Fast |
| NWOBHM | New Wave of British Heavy Metal |
| NWS | New World Symphony |
| NWS | New World Symphony's |
| NWX | New World X |
| NYAF | New York Anti Folk |
| NYC | Naboo Youth Choir |
| NYCO | New York Composers Orchestra |