Kronos Quartet | Modern Jazz Quartet | Liliana Cavani | 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 | Edinson Cavani | Australian String Quartet |
These include performances by the Cavani Quartet, Alisa Weilerstein, and commissions for new works of Philadelphia composer Joseph Hallman among others.