Omnia is a self-described "neoceltic pagan folk" band based in the Netherlands and whose members over the years have had Irish, Dutch, Cornish, Belgian and Persian backgrounds. Their music takes on the form of various cultural routes, from places around the world such as Ireland, England, Cornwall and Persia.

They sing in English, Irish, Breton, Finnish, German, Dutch, Swedish, Latin and Hindi and play Celtic harp, mouth harp, hurdy gurdy, bodhrán, guitar, bouzouki, didgeridoo, flutes of all kinds, bagpipes, various drums and percussion instruments.