Heinrich Sutermeister (1910-1995) was a Swiss composer primarily known for his operatic and orchestral works. His music is characterized by a blend of Romanticism and modernism, often incorporating elements of Swiss folk traditions. Sutermeister studied at the Zurich Conservatory and later became a significant figure in Swiss music. Notable works include the operas "Lulu" (1951), "Der Besuch der alten Dame" (1971), and "Die schwarze Spinne" (1963), which are celebrated for their dramatic depth and lyrical melodies. His opera "Lulu," based on Frank Wedekind's play, gained recognition for its innovative use of orchestration and vocal lines. He also composed symphonies, concertos, and chamber music, further establishing his versatility. Sutermeister's impact on music lies in his ability to bridge traditional Swiss musical elements with contemporary styles, influencing subsequent generations of Swiss composers. His work has been instrumental in promoting Swiss opera and orchestral music on the international stage, and he remains a respected figure in the landscape of 20th-century classical music.