| Abbreviation | Definition |
|---|---|
| CSPO | Cincinnati Symphony Pops Orchestra |
| CSWM | Center for the Study of World Musics |
| CSWM | Cowtown Society of Western Music |
| CSWO | Callist Symphonic Wind Orchestra |
| CSYM | Cambridge Suzuki Young Musicians |
| CSYO | Charlotte Symphony Youth Orchestra |
| CTBB | County Training Brass Band |
| CTC | Change Tha Currency |
| CTF | Camel Toe Farm |
| CTI | Creed Taylor, Inc. |
| CTM | Chaos Theory Music |
| CTMD | Center for Traditional Music and Dance |
| CTMG | Creative Thoughts Music Group |
| CTMO | Central Texas Medical Orchestra |
| CTMS | California Traditional Music Society |
| CTO | Chris Taylor Orchestra |
| CTPO | Cape Town Philharmonic Orchestra |
| CTTO | Cyber Toy Toy Orchestra |
| CTW | Clan Tang Wu |
| CUKE | Cornell University Klezmer Ensmble |