Kronos Quartet | Modern Jazz Quartet | Arditti Quartet | Alban Berg Quartet | Pacifica Quartet | Juilliard String Quartet | Fine Arts Quartet | Emerson String Quartet | quartet | Amadeus Quartet | Vermeer Quartet | Pro Arte Quartet | Modern Folk Quartet | FLUX Quartet | Belcea Quartet | Ying Quartet | Turtle Island Quartet | Quartet on the Middle East | Petersen Quartet | Ethel (string quartet) | Ciompi Quartet | Smith Quartet | Sacconi Quartet | Quartet | London String Quartet | Homer's Barbershop Quartet | Hollywood String Quartet | Australian String Quartet | Zoellner Quartet | Time Quartet |
Since 2005, the label has gone on to release discs featuring artists such as Dame Felicity Lott, Imogen Cooper, Christine Brewer, Trevor Pinnock, Jonathan Biss, the Gould Piano Trio, the Doric, Arditti and Kopelman string quartets, the Nash Ensemble, the Academy of Ancient Music and the Early Opera Company.