| | - Caitlin De Ville
- Caleb Burhans
- California Guitar Trio
- Camerata Mediolanense
- Cameron Carpenter
- Camille & Julie Berthollet
- Camille Berthollet & Julie Berthollet
- Camille Thomas
- Canadian Brass
- Candice Night
- Cappella Nova, Alan Tavener
- Carducci Quartet
- Caribou
- Carl Orff
- Carl Schuricht
- Carl Schuricht, Vienna Philharmonic Orchestra
- Carl Stone
- Carla Bley
- Carlo Maria Giulini
- Carlo Maria Giulini, Berliner Philharmoniker
- Carlos Kleiber
- Carlos Kleiber, Bayerisches Staatsorchester
- Carlos Kleiber, Wiener Philharmoniker
- Carlos Nino & Miguel Atwood-Ferguson
- Carlos Simon
- Carmen Villain
- Caroline
- Carolyn Sampson, Minnesota Orchestra & Osmo Vanska
- Caterina Barbieri
- Catrin Finch
- Cecil Aronowitz & Amadeus Quartet
- Cecilia Bartoli
- Cecilia Bartoli & Ensemble Matheus & Jean-Christophe Spinosi
- Cecilia Bartoli, David Daniels, Academy of Ancient Music, Christopher Hogwood
- Cecilia Bartoli, Orchestra e Coro del Teatro Comunale di Bologna, Riccardo Chailly
- Celine Dion & David Foster
- Chad Lawson
- Chante Moore
- Chaostar
- Chapelier Fou
| - Charles Dutoit and Orchestre Symphonique de Montreal
- Charles Munch, Orchestre de Paris
- Charlotte Church
- Charlotte Jaconelli
- Chassol
- Cheri Knight
- Chicago Symphony Orchestra & Daniel Barenboim
- Chicago Symphony Orchestra & Sir Georg Solti
- Chick Corea
- Chico Buarque
- Children of Alice
- Chilly Gonzales
- Chilly Gonzales & Jarvis Cocker
- Chineke! Orchestra
- Chloe Chua & Singapore Symphony Orchestra
- Chloe Flower
- Chloe Hanslip & Danny Driver
- Cho-Liang Lin, Helsinki Philharmonic Orchestra
- Choir and Orchestra of the Accademia Nazionale di Santa Cecilia
- Choir of King's College, Cambridge
- Choir of The Queen's College, Oxford, The Brook Street Band, Owen Rees
- Chris Benstead
- Chris Mann
- Chris Thile & Edgar Meyer
- Christian Gerhaher
- Christian McBride & Edgar Meyer
- Christian Svarfvar, London Philharmonic Orchestra
- Christian Tetzlaff
- Christian Thielemann & Staatskapelle Dresden
- Christian Thielemann, Wiener Philharmoniker
- Christina Pluhar & L'Arpeggiata
- Christoph Croise & Alexander Panfilov
- Christoph Eschenbach, Konzerthausorchester Berlin
- Christopher Hogwood
- Christopher Larkin
- Christopher Tin
- Christopher Young
- Ciccada
- Cincinnati Philharmonia Orchestra
- Circulatory System
| - City of Birmingham Symphony Orchestra, Edward Gardner
- City of the Fallen
- Claire Diterzi
- Claire Huangci
- Clann An Drumma
- Clannad
- Clara Rockmore
- Clare College Chapel Choir
- Clare Hammond
- Clarice Jensen
- Clark
- Claude Bolling & Jean-Pierre Rampal
- Claude Debussy
- Claudio Abbado
- Claudio Arrau
- Clint Mansell
- Clogs
- Coil
- Colin Stetson
- Colin Stetson & Sarah Neufeld
- Collabro
- Colleen
- Coro de monjes del Monasterio Benedictino de Santo Domingo de Silos
- Corpo-Mente
- Cortes
- Corvus Corax
- Craig Armstrong
- Cult of Youth
- Curd Duca
- Current 93
- Current 93 & HOH
- Curved Air
- Cyprien Katsaris
- Czech Chamber Philharmonic Orchestra Pardubice
- Czech Philharmonic Orchestra, Charles Mackerras
- The Canadian Tenors
- The Caretaker
- The Choir of King's College
- The Choirboys
- The Cinematic Orchestra
- The Claudia Quintet
- The Comet Is Coming
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