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Quartet - Wikipedia
5 Minutes That Will Make You Love String Quartets
String quartet - Wikipedia
10 greatest string quartet ensembles of all time - Classical Music
Schubert: Complete String Quartets - YouTube
Exploring the String Quartet - The First 250 Years - earsense
Quartet | Music Ensemble, Composition & Performance | Britannica
Mozart: String Quartet No. 21, Prussian No. 1 - YouTube
Mozart: String Quartets - YouTube
My Favorite String Quartet - The New York Times