Duncan Sheik, the Grammy and Tony award-winning composer of the musical “Spring Awakening,” died Thursday at age 56 due to organ failure. His mother, Suzanne Sheik, confirmed the news to The New York Times, stating that he had been hospitalized earlier in the week and was in critical but stable condition before his passing.

A Legacy in Music and Theater

Sheik was best known for his work on “Spring Awakening,” the Broadway musical that won two Tonys in 2007 — Best Original Score and Best Orchestrations — alongside librettist Steven Sater. The show, adapted from a controversial German play, features songs like “Mama Who Bore Me,” “The Bitch in Me,” and “Mama, I’m Alone,” which became cultural touchstones. The production ran over 860 times on Broadway and has since become a staple in high school and community theater productions around the world.

Before his work on “Spring Awakening,” Sheik was known for the radio hit “Barely Breathing,” which spent 55 weeks on the Billboard Hot 100 and peaked at number 16. His music often blended rock with emotional depth, a trait that translated well into musical theater.

Tributes from Colleagues and Fans

Lea Michele, who originated the role of Wendla in “Spring Awakening,” paid tribute to Sheik on Instagram, writing, “I met Duncan when I was 14 years old. I listened to a demo on tape of him singing songs from ‘Spring Awakening’ outside of my middle school before my first audition. I’m at a loss for words. This one hurts and does not seem real. Thank you for everything you gave us. And for the time we had together. Sending all my love and prayers now to Nora, Ines and Duncan’s family.” Her post also featured her singing “Mama Who Bore Me” alongside Sheik playing guitar in a rehearsal space.

Kimiko Glenn, who starred in the first U.S. national tour of “Spring Awakening,” shared a series of photos of herself and Sheik. “The world really could’ve benefited from a couple more decades of your music, but life has a way of doing its own thing. For better or for worse. Your legacy will live on forever, Duncan. I love you so much. I miss you already,” she wrote in the comments.

“Scream” and “In the Heights” actress Melissa Barrera shared footage of herself starring in “Spring Awakening” in Mexico City, writing, “RIP Duncan Sheik. He created the score of my teenage years. When he came to Mexico City for our premiere we were all freaking out. He told us our version of ‘Purple Summer’ was the most beautiful he’d heard.

A Deeply Respected Figure

Sheik was described by many as a deeply sensitive and intelligent artist who brought a unique depth to his work. In a 2007 interview with The Associated Press, he said, “With the exception of our director, we’re all a sort of outsider to Broadway. We wanted to shake things up a little bit. And we just set out to make this really great piece of theater.”

Eisa Davis, a dramaturg and actress, wrote on social media: “His deep feeling and delight gave us so much beauty. Duncan, thank you for your friendship and for the sublime music.”

Sheik’s social media account posted Friday, “It is with profound sadness that we confirm the passing of Duncan Sheik. The world has lost a singular talent and a deeply influential voice in music and theater. Duncan was a father, husband, son, brother, and friend. He will be remembered for his sensitivity, wit, intelligence, and depth of spirit he brought to those who knew and loved him.”