| The Coull Quartet | 2 | 1994 - 1995 |
| Court Symphony Orchestra | 1 | |
| Courtney Kenny | 1 | 1977 |
| Coventgardenoperans Kör Och Orkester, Lamberto Gardelli | 1 | 1981 |
| Coventry Cathedral Boys' Choir | 3 | 1973 |
| Coventry Cathedral Boys' Choir With Robert Weddle (Organ) | 1 | 1973 |
| Craig Burston | 1 | 2010 |
| Craig Burston And Joe Evans | 1 | 2010 |
| Craig Sellar Lang | 2 | 1978 - 1992 |
| Craig Sheppard | 1 | |
| Craig Sheppard With The London Philharmonic Orchestra Conducted By John Pritchard | 1 | 1978 |
| Crass,Mathis | 1 | 1966 |
| Crass,Mathis,Michelow | 1 | 1966 |
| Creative Oasis | 1 | 1981 |
| Crescenzo | 1 | |
| Crispian Steele-Perkins | 4 | 1983 - 2003 |
| Cristina Ortiz | 4 | 1987 - 1998 |
| Cristina Ortiz, New Philharmonia Orchestra, Vladimir Ashkenazy | 1 | 1998 |
| Cristina Ortiz, City Of London Sinfonia, Richard Hickox | 3 | 1987 - 1988 |
| Cristóbal Halffter | 2 | 1969 |
| Crouch End Festival Chorus | 1 | 2003 |
| Crouch End Festival Chorus, City Of Prague Philharmonic, Nic Raine | 1 | 2003 |
| Croydon Minster Choir Of Whitgift School | 2 | 2017 |
| Croydon Philharmonic Choir | 1 | 1982 |
| Crypt Choir Of The King's School, Cambridge | 1 | 2009 |
| Csaba Onczay | 2 | 1993 - 2018 |
| Csenki Imre | 1 | |
| CSR Symphony Orchestra (Bratislava) | 6 | 1988 - 1997 |
| CSR Symphony Orchestra (Bratislava), Adrian Leaper | 1 | 1989 |
| CSR Symphony Orchestra (Bratislava), Keith Clark | 1 | 1997 |
| CSR Symphony Orchestra (Bratislava), Stephen Gunzenhauser | 1 | 1988 |
| CSSR State Philharmonic (Košice) | 1 | |
| CSSR State Philharmonic Orchestra (Košice) | 1 | |
| Cuarteto Latinoamericano | 2 | 1995 |
| Cupertinos | 1 | 2020 |
| Currende, Erik Van Nevel | 1 | |
| Curtis Rayam | 1 | 1976 |
| Cvetka Ahlin | 2 | 1962 - 1967 |
| Cyndia Sieden | 1 | 2002 |
| Cyprien Katsaris | 5 | 1992 - 2003 |
| Cyril Holloway | 1 | |
| Cyril Scott | 5 | 1938 - 2003 |
| Cyril Ritchard | 2 | 1958 |
| Cyril Ritchard, Philadelphia Orchestra, Eugene Ormandy | 2 | 1958 |
| Cyril Rootham | 1 | 2011 |
| Cyril Smith | 1 | |
| Cyril Taylor | 1 | 2016 |
| Cyrille Dubois | 1 | |
| Cyrille Dubois, Tristan Raës | 1 | 2024 |
| Czech Chamber Orchestra | 3 | 1963 - 1987 |
| Czech Chamber Philharmonic Orchestra Pardubice | 1 | |
| Czech Chamber Soloists | 1 | |
| The Czech Film Orchestra, Royal Scots Dragoon Guards | 1 | 2022 |
| The Czech Film Orchestra | 1 | 2022 |
| Czech Integrated Ensemble | 1 | |
| Czech National Symphony Orchestra | 1 | 1997 |
| Czech Philharmonic Chorus | 1 | |
| Czech Philharmonic Orchestra | 56 | 1956 - 2014 |
| Czech Philharmonic Orchestra And Chorus, Karel Ancerl | 1 | |
| Czech Philharmonic Orchestra, Leopold Stokowski | 1 | 1975 |
| Czech Philharmonic Orchestra, Czech Philharmonic Chorus | 2 | |
| Czech Philharmonic Orchestra, Dolezal Quartet | 1 | |
| Czech Philharmonic Orchestra, Jean Meylan | 1 | |
| Czech Philharmonic Orchestra, Karel Ancerl | 11 | 1963 - 2005 |
| Czech Philharmonic Orchestra, Karel Sejna | 2 | 1980 |
| Czech Philharmonic Orchestra, Moscow Radio Symphony Orchestra | 1 | |
| Czech Philharmonic Orchestra, Paul Kletzk | 1 | 1996 |
| Czech Philharmonic Orchestra, Paul Kletzki | 5 | 1988 - 1992 |
| Czech Philharmonic Orchestra, Prague Symphony Orchestra | 3 | 1962 - 1992 |
| Czech Philharmonic Orchestra, Serge Baudo | 1 | 1964 |
| Czech Philharmonic Orchestra, Václav Neumann | 5 | 1983 - 2002 |
| Czech Philharmonic Orchestra, Václav Smetáček | 1 | 1988 |
| Czech Philharmonic Orchestra, Vaclav Talich | 3 | 1993 - 2007 |
| Czech Philharmonic Orchestra, Vienna Symphony Orchestra | 1 | |
| Czech Philharmonic Orchestra, Zdenek Kosler | 1 | 2017 |
| Czech Philmarmonic Chorus | 1 | |
| Czech Singers' Chorus | 1 | |
| Czech State Philharmonic Orchestra Prague | 1 | 1992 |
| Czecho-Slovak Radio Symphony Orchestra | 1 | |
| Czecho-Slovak Radio Symphony Orchestra (Bratislava) | 10 | 1990 - 1997 |
| Czecho-Slovak Radio Symphony Orchestra (Bratislava), Adriano | 2 | 1990 - 1991 |
| Czecho-Slovak Radio Symphony Orchestra (Bratislava), Ernest Tomlinson | 2 | 1991 - 1996 |
| Czecho-Slovak Radio Symphony Orchestra, Ondrej Lenárd | 1 | 1991 |
| Czecho-Slovak State Philharmonic Orchestra | 1 | |
| Cziffra | 1 | |