Sanctus II stands as a defining recording within the discography of Libera, the renowned English boys' choir. Featured on the 2001 album Luminosa, the track exemplifies the group's signature ethereal sound, characterized by soaring harmonies and a distinct lack of instrumental accompaniment. This piece captures the choir's mastery of sacred choral traditions, delivering a performance that balances solemnity with uplifting resonance. As part of their early catalog, the recording helped establish the ensemble's reputation for interpreting classical and religious themes with modern clarity. The work remains a staple in their live performances, showcasing the vocal precision and emotional depth that have secured their place in contemporary choral music.