Drum Abbreviations and Acronyms
- OCDPOrganização Comunista Democracia ProletáRia
- OHOpen Hi-Hat
- OHOpen Hats
- OHOpen Hihat
- OMHSOak Mountain Highischool
- OPCOrganic Photo-Conductive
- PDPPacific Drums & Percussion
- PFMProgressive Future Cusic
- PITPercussion Institute of Technology
- PMCPercussion Marketing Council
- PPPaildpump
- PPBSOPipers and Pipe Band Society of Ontario
- PSPedal Stabilizer
- QDQuad Drum
- RDTRed Drum Tackle
- RFSTRadio Frequency Shell Technology
- RIQRexroth Information Quarterly
- RMCRecreational Music Center
- RMWBRuss Miller Wire Brush
- ROSRaster Optical Scanner
Last updated: — Total entries: 168