Nicky Ryan famously calls this "The Wall of Enya." Unlike rock bands using distorted guitars, Enya uses her own voice as the primary instrument.

This trio retreated to a Dublin studio and invented a genre that didn't have a name yet: Celtic New Age . If you try to hum an Enya song, you will quickly realize it is almost impossible to sing along with. That is by design.

Enya’s signature sound relies on . She does not just sing a melody once; she sings it dozens of times, layering harmonies upon harmonies until her voice sounds like a choir of angels who have never experienced a bad day.