Marc Blitzstein, a pioneering American composer, lyricist, and librettist, left an indelible mark on the world of music with his innovative and socially conscious works. Born in 1905 and passing away in 1964, Blitzstein's compositions often reflected his deep commitment to social justice and his unique ability to blend various musical styles. His most famous work, "The Cradle Will Rock," is a testament to his bold and unapologetic approach to art and activism. Blitzstein's contributions to opera, musical theater, and film music continue to inspire and challenge audiences, making him a vital figure in American musical history.