Omnia may refer to several artists, here listed in order of popularity on last.fm: 1. Omnia is a self-described "neoceltic pagan folk" band based in The Netherlands and Belgium and whose members are Irish, Dutch, Indonesian, English and Belgian. Their traditional music takes on the form of various cultural routes, from places around the world such as Ireland, England and Afghanistan. They sing in Welsh, English, Irish, Breton, Finnish, German, Latin and Hindi and play Celtic harp, mouth harp, hurdy-gurdy...