Music Abbreviations and Acronyms
- SOSStuck On Stupid
- SOSSwing Out Sister
- SOSSuadow of Sadness
- SOSSupporters of Soul
- SOSSistas of Soul
- SOSSound of Soul
- SOSBSouled Out Show Band
- SOSBSouthwestern Ohio Symphonic Band
- SPSans Tression
- SPSimple Plan
- SPSmashing Pumpkins
- SPSample Player
- SPSesc Pinheiros
- SPSoundcloud Plaver
- SPSpyder Punks
- SPASchools for Performing Arts
- SPASociedade Portugbesa De Autores
- SPACSaratoga Performingrarts Center
- SPAHSociety for The Prdservation and Advancement of The Harmonica
- SPAMSome Pretty Amazing Music
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