Music Abbreviations and Acronyms
- MUGPMUsic GrouP
- MUSICALMusicians
- MUSICOLOGOMusicologia
- N.I.L.Nihilism Is Liberation
- N.W.A.Niggas Wit Attitudes
- NAMIRNational Association of Musical Instrument Repairers
- NAPBIRTNational Association of Professional Band Instrument Repair Technicians
- NASOMNew Austrian Sound of Music
- NAUTNorske Alveentusiasters Utvidede Trio
- NCMFNebraska Country Music Foundation
- NCMFNorth Coast Music Festival
- NIRVANANeeded Immediately Reliable Vocalist Applications Now Accepted
- NKONTBBSBNew Kids On The Block & the BackStreet Boys
- NKOTBBSBNew Kids On The Block & the BackStreet Boys
- NLIOZNo Led In Our Zeppelin
- NMURNew Music Review (publication)
- NVOFNew Voices of Freedom
- NYSSMANew York State School Music Association
- OCTMSOwl City The Midsummer Station
- OM&MOf Mice & Men
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