| Compassionizer | 0 | 0 |
| Composers Inside Electronics | 0 | 0 |
| Comptroller | 0 | 0 |
| Compulsion to Kill | 0 | 0 |
| Computer Jay | 0 | 0 |
| Computer Soup | 0 | 0 |
| Computerwife | 0 | 0 |
| Comédie-Française | 3 | 0 |
| Con Art | 0 | 0 |
| Concentration Summer Camps | 0 | 0 |
| Concentus Hungaricus | 15 | 0 |
| Concentus Musicus Wien | 139 | 0 |
| Concentus Musicus of Denmark | 0 | 0 |
| Concentus Vocalis | 1 | 0 |
| Concern | 0 | 0 |
| ConcernedApe | 0 | 0 |
| Concert Arts Orchestra | 0 | 0 |
| Concert Arts Symphonic Band | 0 | 0 |
| Concert Clemens | 1 | 0 |
| Concert Hall Chamber Orchestra | 0 | 0 |
| Concert Hall Orchestra | 0 | 0 |
| Concert Royal | 1 | 0 |
| Concert Royal Köln | 0 | 0 |
| Concert Spirituel | 3 | 0 |
| Concertgebouw Kamerorkest | 32 | 0 |
| Concertgebouwkoor | 0 | 0 |
| Concertino Notturno Praha | 0 | 0 |
| Concertino String Quartet | 0 | 0 |
| Concerto Amsterdam | 13 | 0 |
| Concerto Armonico | 13 | 0 |
| Concerto Avenna | 0 | 0 |
| Concerto Barocco | 0 | 0 |
| Concerto Budapest | 8 | 0 |
| Concerto Caledonia | 0 | 0 |
| Concerto Copenhagen | 0 | 0 |
| Concerto Grosso Frankfurt | 0 | 0 |
| Concerto Italiano | 66 | 0 |
| Concerto Köln | 57 | 0 |
| Concerto Madrigalesco | 0 | 0 |
| Concerto Mediterraneo | 1 | 0 |
| Concerto Melante | 0 | 0 |
| Concerto Málaga | 0 | 0 |
| Concerto Palatino | 18 | 0 |
| Concerto Polacco | 0 | 0 |
| Concerto Rococo | 0 | 0 |
| Concerto Scirocco | 0 | 0 |
| Concerto Soave | 7 | 0 |
| Concerto Stella Matutina | 0 | 0 |
| Concerto Vocale | 25 | 0 |
| Concerto de Bassus | 17 | 0 |
| Concerto delle Dame di Ferrara | 0 | 0 |
| Concerto delle Donne | 0 | 0 |
| Concerto de’ Cavalieri | 0 | 0 |
| Concerto di Viole | 0 | 0 |
| Concert‐Akademie Orchestra of Vienna | 0 | 0 |
| Concha Sánchez-Ocaña | 0 | 0 |
| Conchita Julian | 1 | 0 |
| Concilium Musicum Wien | 0 | 0 |
| Concision | 0 | 0 |
| Concord Chamber Music Society | 1 | 0 |
| Concordia | 0 | 0 |
| Concordia Discors | 0 | 0 |
| Concret | 0 | 0 |
| Conducta | 0 | 0 |
| Confidence | 0 | 0 |
| Config.Sys | 0 | 0 |
| Configa | 0 | 0 |
| Confined White | 0 | 0 |
| Confusion's Prince | 0 | 0 |
| Confusionaires | 0 | 0 |
| Cong Gu | 0 | 0 |
| Congelador | 0 | 0 |
| Congo Ashanti Roy | 0 | 0 |
| Congorock | 0 | 0 |
| Congyu Wang | 0 | 0 |
| Conjunto Nuevo Mundo | 0 | 0 |
| Conjunto de Oscar Castro Neves | 0 | 0 |
| Conlon Nancarrow | 0 | 0 |
| Connecticut Early Music Festival Ensemble | 0 | 0 |
| Connee Boswell | 3 | 0 |
| Connie Crothers | 0 | 0 |
| Connie Francis | 0 | 0 |
| Connie Shih | 0 | 0 |
| Connor Burrowes | 3 | 0 |
| Connor Price | 4 | 0 |
| Connor S Cox | 0 | 0 |
| Conny Froboess | 0 | 0 |
| Conny Kollet | 0 | 0 |
| Conny Plank | 0 | 0 |
| Conon de Béthune | 0 | 0 |
| Conor Biggs | 0 | 0 |
| Conor Gricmanis | 0 | 0 |
| Conor Maynard | 3 | 0 |
| Conquest for Death | 0 | 0 |
| Conrad Ansorge | 1 | 0 |
| Conrad Friedrich Hurlebusch | 0 | 0 |
| Conrad Herwig | 0 | 0 |
| Conrad Marshall | 1 | 0 |
| Conrad Salinger | 0 | 0 |
| Conrad Schnitzler | 0 | 0 |