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Gaston Dufresne (9 September 1898 – 6 December 1998) was the principal bassist in the Boston Symphony Orchestra from 1927 to 1957 and with the Florida West Coast Symphony from 1963 to 1979. He also taught solfège, a singing technique used to teach pitch. Among his contrabass students were American composerLeroy Anderson and Boston Symphony principal trumpeterRoger Voisin. Dufresne taught solfège to Voisin and to Boston Symphony hornistRichard Mackey.