Jonathan Groff delivers a hauntingly intimate performance of "All That's Known" on the 2006 Spring Awakening soundtrack, a recording that captures the play's raw emotional core. As the character of Sam, Groff's vocal delivery blends pop sensibilities with the theatrical intensity required for the musical, transforming a simple love song into a pivotal moment of vulnerability. The track serves as a cornerstone of the album's narrative, reflecting the characters' desperate need for connection amidst the chaos of their youth. Groff's interpretation highlights the song's themes of fear and longing, establishing his reputation as a versatile performer capable of navigating both comedic and deeply serious dramatic roles. This recording remains a significant song in the broader canon of contemporary musical theater, showcasing the enduring power of the work and the artist's early impact on the genre.