Duncan Sheik is an American singer-songwriter and composer known for blending pop, rock, and folk music elements. He gained prominence in the mid-1990s with his hit single "Barely Breathing" from his self-titled debut album. In addition to his solo work, Sheik is distinguished for composing music for several acclaimed Broadway shows, most notably the Tony Award-winning musical "Spring Awakening." His work, characterized by poignant lyrics and a sophisticated melodic sense, has significantly influenced the modern musical theatre genre.