What makes Once in a Lifetime by Gregorian notable?

This album gained significant attention for its innovative fusion of sacred music with popular elements, reaching charts across Europe. It is noted for pushing the boundaries of the new age genre and contributing to the growing interest in choral adaptations during the early '90s. In 1991, Gregorian was still establishing their unique sound within the crossover genre. 'Once in a Lifetime' marked their transition from traditional Gregorian chant interpretations to a more contemporary approach, showcasing their artistic evolution following their debut album released in 1990.