When they say Vantastival is one of the Irish festival circuit’s best-kept secrets, it’s not some line they’re feeding you. A family-run event, over the past six years, Bellurgan Park, Co.Louth-based fest has been built up completely from scratch, “a totally unique, brazenly independent event and the only one of its kind in Ireland”, and its sixth annual instalment, running from May 1st to 3rd, is looking like a cracker. Headlined this year by reunited Welsh rap-rockers Goldie Lookin’ Chain, and Irish indie-pop veterans Delorentos, the multiple-award nominated fest also places the spotlight on a diverse range of Irish bands…