Apr 17 Johann Balthasar Freisslich, German organist, composer, Kapellmeister (Marienkirche (Danzig), 1731-64), dies at 77 Apr 17 Johann Mattheson, German composer, dies at 82 Apr 27 Jaime de Casellas, Spanish composer, dies at 73 Mar 1764 Deaths in Music by Year Jun 1764 Famous Singers Country Singers Jazz Singers Opera Singers Pop Singers Rappers Rock Singers