| Claudia Hellmann, Victor von Halem, Ernst Haefliger, Maria Stader | 1 | |
| Claudia Muzio | 1 | 1970 |
| Claudin de Sermisy | 5 | 1966 - 2015 |
| Claudine Perret | 1 | 1970 |
| Claudio Abbado | 77 | 1970 - 2012 |
| Claudio Abbado, Berliner Philharmoniker, Renée Fleming | 1 | 2005 |
| Claudio Abbado, Charles Dutoit, Ferenc Fricsay, Ferdinand Leitner, Mstislav Rostropovich | 1 | 2006 |
| Claudio Abbado, Ernest Ansermet, John McCarthy, Andre Charlet | 1 | |
| Claudio Abbado, Ferdinand Leitner, Michael Tilson Thomas | 1 | 2017 |
| Claudio Abbado, Moshe Atzmon, Ferdinand Leitner, Witold Rowicki | 1 | 2017 |
| Claudio Abbado, Seiji Ozawa | 1 | 2011 |
| Claudio Abbado, Yuri Ahronovitch, Ferdinand Leitner | 1 | 2017 |
| Claudio Arrau | 21 | 1957 - 2011 |
| Claudio Arrau, Nikita Magaloff | 1 | 1997 |
| Claudio Arrau, Royal Concertgebouw Orchestra [Amsterdam], Christoph Von Dohnanyi | 1 | 1989 |
| Claudio Arrau, Staatskapelle Dresden, Colin Davis | 2 | 1986 |
| Claudio Casciolini | 1 | |
| Claudio Ferrarini | 1 | |
| Claudio Monteverdi | 29 | 1965 - 2010 |
| Claudio Nicolai | 1 | |
| Claudio Piastra | 1 | 1990 |
| Claudio Roma | 1 | |
| Claudio Santoro | 1 | 2000 |
| Claudio Saracini | 1 | 2003 |
| Claudio Scimone | 8 | 1980 - 2000 |
| I Solisti Veneti, Claudio Scimone | 2 | 1989 - 1990 |
| Claudio Villa | 1 | 1957 |
| Claudius | 1 | |
| Claus Adam | 1 | 1974 |
| Claus Bock (Tenor) | 1 | |
| Claus Peter Flor | 1 | |
| Claus Stoll | 1 | 1991 |
| Clemens Dahinden | 4 | 1955 - 1958 |
| Clemens Hagen | 1 | 1984 |
| Clemens Krauss | 28 | 1948 - 2004 |
| Clemens Krauss, Frederick Jackson | 1 | |
| Clemens Schmalstich | 4 | 1930 - 1994 |
| Clément Janequin | 5 | 1966 - 1994 |
| Clement Krauss | 1 | |
| Clement Scholefield | 5 | 1986 - 2022 |
| Cleo Laine And James Galway | 1 | 1981 |
| The Clerkes Of Oxenford | 2 | 1987 - 1993 |
| Cleva And Orch. Of Metropolitan Opera Assoc. | 1 | 1953 |
| Cleva, Soloists, Chorus And Orch. Of Metropolitan Opera Assoc. | 1 | 1953 |
| Cleveland Choir | 1 | 2000 |
| Cleveland Orchestra | 80 | 1941 - 2004 |
| Cleveland Orchestra Chorus | 1 | 1975 |
| The Cleveland Orchestra, Christoph Von Dohnányi | 1 | 1989 |
| Cleveland Orchestra, Cleveland Quartet, Cincinnati Pops Orchestra, Cincinnati Symphony Orchestra, Saint Louis Symphony Orchestra | 1 | |
| Cleveland Orchestra, Christoph von Dohnányi | 4 | 1986 - 1993 |
| Cleveland Orchestra, George Szell | 23 | 1954 - 2000 |
| The Cleveland Orchestra, George Szell | 4 | 1971 - 1975 |
| The Cleveland Orchestra, Lorin Maazel | 1 | 1984 |
| The Cleveland Orchestra, Louis Lane | 1 | 1971 |
| Cleveland Orchestra, Philadelphia Orchestra, New York Philharmonic Orchestra, London Symphony Orchestra | 1 | |
| Cleveland Orchestra, Pierre Boulez | 5 | 1984 - 2004 |
| Cleveland Orchestra, Sarmae Endich, John Humphrey, Thomas Paul , Conucted By Robert Shaw | 1 | 1976 |
| The Cleveland Orchestra | 18 | 1941 - 1985 |
| The Cleveland Orchestra, Vladimir Ashkenazy | 1 | 1994 |
| Cleveland Orchestra, Lorin Maazel | 12 | 1977 - 1989 |
| Cleveland Pops Orchestra | 2 | 1962 |
| The Cleveland Pops Orchestra | 1 | 1959 |
| Cleveland Quartet | 4 | 1976 - 1993 |
| Cleveland Quartet, John O`Conor | 1 | 1993 |
| The Cleveland Quartet | 1 | |
| The Cleveland Symphonic Winds | 1 | 1978 |
| Clfford Knowles / Royal Liverpool Philharmonic Orchestra | 1 | |
| Clifford Benson | 4 | 1994 - 2007 |
| Clifford Curzon | 15 | 1954 - 2000 |
| Clifford Curzon, Vienna Philharmonic Orchestra, Hans Knappertsbusch | 2 | 1954 - 1988 |
| Clifford Curzon, English Chamber Orchestra, Benjamin Britten | 2 | 1982 - 1986 |
| Clifford Curzon, Friedrich Gulda | 1 | 1991 |
| Clifford Curzon, London Symphony Orchestra, Sir Adrian Boult | 1 | 1960 |
| Clifford Curzon, Members Of The Vienna Octet | 2 | 1958 - 1975 |
| Clifford Curzon, Vienna Philharmonic Orchestra, Georg Solti | 1 | 1988 |
| Clifford Curzon, Vienna Philharmonic Quartet | 2 | 1963 - 1976 |
| Clifford Curzon, Wiener Philharmoniker, Hans Knappertsbusch | 1 | 2000 |
| Clifford Greenwood | 1 | 1996 |
| Clifford Grey | 3 | 1970 - 1991 |
| Clifford Harvout | 1 | 1981 |
| Clifford Knowles | 2 | 1968 - 1976 |
| Clifford Knowles, Royal Liverpool Philharmonic Orchestra, Sir Charles Groves | 1 | 1976 |
| Clifton Bingham | 1 | 1996 |
| Clio Gould | 2 | 1998 |
| Clive Driskill-Smith | 1 | 2002 |
| Clive Greensmith | 1 | 1998 |
| Clive Williamson | 1 | 1991 |
| George H. Clutsam | 3 | 1923 - 1998 |
| Clyde Twelvetrees | 2 | 1929 - 1974 |
| Clytus Gottwald | 1 | 1968 |
| Coenraad Bloemendal | 1 | |
| The Coldstream Guards Band, Graham Jones | 1 | 2022 |
| The Coldstream Guards Band | 1 | 2022 |
| Cole Porter | 3 | 1950 - 1991 |
| Samuel Coleridge-Taylor | 7 | 1926 - 2023 |
| Colette Alliot-Lugaz | 1 | 1991 |
| Colette Boky | 1 | 1973 |
| Colette Lorand | 2 | 1960 - 1961 |
| Colette Lorand, Ernst Kozub, Franz Crass | 1 | 1961 |
| Colette Lorand, Gisela Litz, Großes Opernorchester Und Chor | 1 | 1960 |
| Colin Bayliss | 1 | 2000 |
| Colin Blamey | 1 | 2008 |
| Colin Brumby | 1 | 1978 |
| Colin Campbell | 1 | 1993 |
| Colin Carey | 1 | 2001 |
| Colin Carr | 1 | 1992 |
| Colin Chambers | 1 | 1972 |
| Colin Clouting | 1 | |
| Colin Currie | 1 | |
| Colin Davis | 79 | 1960 - 2004 |
| Colin Davis, Alceo Galleria, Witold Rowicki | 1 | |
| Colin E. Cowles | 1 | |
| Colin Graham | 1 | 2004 |
| Colin Graham And Philharmonische Vereinigung Arte Sinfonica | 1 | 2004 |
| Colin Hand | 2 | 2017 - 2019 |
| Colin Jagger | 1 | 1994 |
| Colin Jones | 1 | |
| Colin Lawson | 1 | 2008 |
| Colin Matthews | 1 | 2009 |
| Colin Mawby | 4 | 1993 - 2015 |
| Colin Muset | 2 | 1976 - 2005 |
| Colin Sheen | 1 | 2003 |
| Colin Tilney | 2 | 1972 |
| Colin Walsh | 1 | |
| Colleen Hedley | 1 | 1993 |
| College Conservatory Of Music Of The University Of Cincinnati Brass ChoirCincinnati Pops Orchestra, Erich Kunzel | 1 | 2004 |
| Collegium Aureum | 11 | 1971 - 1995 |
| Collegium Aureum, Franzjosef Maier | 3 | 1971 - 1991 |
| Collegium Aureum, Jörg Demus | 1 | 1975 |
| Collegium Musicum | 2 | 1988 - 1994 |
| Collegium Musicum 90 | 2 | 1996 |
| Collegium Musicum 90, Richard Hickox | 1 | 1996 |
| Collegium Musicum Amstelodamense | 3 | 1983 - 1985 |
| Collegium Musicum Amstelodamense, Concertgebouw Orchestra Amsterdam, Eduard Van Beinum | 1 | 1985 |
| Collegium Musicum De Paris | 2 | 1957 |
| Collegium Musicum Du Paris | 2 | 1988 |
| Collegium Musicum Italicum | 1 | 1966 |
| Collegium Musicum Of Paris | 2 | 1966 |
| Collegium Terpsichore | 5 | 1973 - 1991 |
| Collegium Vocale | 1 | 1981 |
| Collegium Vocale Gent | 1 | 2019 |
| Colm Carey | 1 | 1997 |
| Colm Carey, Schola Cantorum Of Oxford, Oxford Camerata, Jeremy Summerly | 1 | 1997 |
| Colne Valley Male Voice Choir | 1 | 1967 |
| The Cologne Bach Orchestra | 1 | |
| Cologne Chamber Orchestra | 3 | 1963 - 1999 |
| Cologne Chamber Orchestra, Cologne Bach Vocal Ensemble | 1 | |
| Cologne Chamber Orchestra, Helmut Müller-Brühl | 1 | 1974 |
| Cologne Pro Arte | 1 | 1962 |
| Cologne Pro Arte, Riccardo Cariolo | 1 | 1962 |
| Cologne Radio Chorus And Symphony Orchestra | 1 | 1967 |
| Cologne Radio Symphony Orchestra, André Cluytens | 1 | 2009 |
| Colonne Concert Orchestra | 1 | 1961 |
| Colonne Concert Orchestra, André Cluytens | 1 | 2016 |
| Colonne Concert Orchestra, Wind Soloists of the Orchestre National De Francaise | 1 | |
| Colonne Concerts Orchestra | 1 | 1963 |
| Colonne Concerts Society Orchestra | 1 | 1968 |
| The Columbia Broadcasting Symphony Orchestra | 1 | |
| Columbia Chamber Ensemble | 2 | 1967 - 1968 |
| Columbia Chamber Ensemble, Igor Stravinsky | 1 | 1968 |
| The Columbia Chamber Ensemble, Igor Stravinsky | 1 | 1971 |
| The Columbia Chamber Ensemble | 2 | 1970 - 1971 |
| The Columbia Chamber Ensemble, Toni Koves, Igor Stravinsky | 1 | 1971 |
| Columbia Chamber Orchestra | 7 | 1956 - 1963 |
| Columbia Chamber Symphony | 1 | 1984 |
| Columbia Concert Orchestra | 1 | |
| Columbia Jazz Combo | 1 | 1985 |
| The Columbia Jazz Combo, Benny Goodman, Igor Stravinsky | 1 | 1971 |
| The Columbia Jazz Combo, Igor Stravinsky | 1 | 1971 |
| The Columbia Jazz Combo | 1 | |
| Columbia Jazz Ensemble | 1 | 1985 |
| Columbia Jazz Ensemble, Igor Stravinsky | 1 | 1985 |
| Columbia String Orchestra, Columbia Chamber Orchestra, The Philadelphia Orchestra | 1 | |
| Columbia Symphony And Chorus | 1 | 1984 |
| The Columbia Symphony And Royal Philharmonic Orchestras | 1 | 1959 |
| Columbia Symphony Orchestra | 67 | 1920 - 2002 |
| Columbia Symphony Orchestra - Robert Craft | 1 | 1968 |
| Columbia Symphony Orchestra, Andre Kostelanetz | 1 | |
| Columbia Symphony Orchestra, Arthur Rodzinski | 1 | 1958 |
| Columbia Symphony Orchestra, Artur Rodzinski | 1 | 1956 |
| Columbia Symphony Orchestra, Bruno Walter | 18 | 1956 - 1987 |
| The Columbia Symphony Orchestra, Bruno Walter | 1 | |
| Columbia Symphony Orchestra, Columbia Chamber Ensemble, Igor Stravinsky | 1 | 1968 |
| Columbia Symphony Orchestra, Igor Stravinsky | 6 | 1960 - 1968 |
| The Columbia Symphony Orchestra, Igor Stravinsky | 1 | 1968 |
| Columbia Symphony Orchestra, Leonard Bernstein | 6 | 1959 - 1990 |
| Columbia Symphony Orchestra, Sir Thomas Beecham | 1 | 1958 |
| The Columbia Symphony Orchestra | 16 | 1956 - 1973 |
| Columbia Symphony Orchestra, Vladimir Golschmann | 1 | 1977 |
| Columbia Symphony Strings | 1 | 1963 |
| The Columbia Symphony, Bruno Walter | 1 | 1960 |
| Columbus Boychoir | 1 | 1964 |
| The Columbus Consort | 1 | 1993 |
| Combined Langley Park School Choirs | 1 | 1972 |
| Comm. Titta Ruffo | 1 | 1918 |
| Commotio | 1 | |
| Commotio, Matthew Berry | 1 | 2010 |
| Companino | 1 | 1956 |
| The Company Of Savoyards | 2 | |
| The Composers Quartet | 1 | 1970 |