His 1996 debut single “Barely Breathing” peaked at No. 16 on the Billboard Hot 100, stayed on the chart for 55 weeks and earned a Grammy nomination.

Sheik won a Tony Award for composing the musical Spring Awakening, which opened on Broadway in December 2006.

The show’s original cast featured Jonathan Groff, Lea Michele and John Gallagher Jr. Teenagers who could not afford tickets shared grainy YouTube clips, shaky recordings and the cast‑album tracks across early social‑media sites.

Songs such as “Mama Who Bore Me,” “The Bitch of Living,” “Touch Me,” “Don’t Do Sadness/Blue Wind” and “Totally Fucked” quickly became anthems for teens, expressing the intensity of desire, anger and confusion.

For a generation of online theater fans, Sheik’s score gave a voice to feelings that often seemed too big for everyday life, and the community that grew around the music still meets online nearly two decades later.