| Abbreviation | Definition |
|---|---|
| NYCO | New York Composers' Orchestra |
| NYCO | North York Concert Orchestra |
| NYHC | New York HardCore |
| NYJO | National Youth Jazz Orchestra |
| NYMO | New York Mandolin Orchestra |
| NYMT | National Youth Music Theatre |
| NYO | Nova Youth Orchestra |
| NYOC | National Youth Orchestra of Canada |
| NYOS | National Youth Orchestra of Scotland |
| NYPO | New York Philharmonic Orchestra |
| NYSB | New York Staff Band |
| NYSDI | New York Summer Dance Intensive |
| NYSE | New York Symphonic Ensemble |
| NYWE | National Youth Wind Ensemble |
| NYYS | New York Youth Symphony |
| NZM | Neue Zeitschrift für Musik |
| NZM | New Zealand Music |
| NZMA | New Zealand Music Awards |
| NZMC | New Zealand Music Commission |
| NZSO | New Zealand Symphony Orchestra |