Releasing heavy-weight productions for nearly a decade, has made Irishman John O'Callaghan establish himself as a quality producer, DJ and label owner. Awarded for 'Best Producer' and 'Best DJ' at the Irish Dance Music Awards, taking in the number 33 of the DJ Mag Top 100 of 2010 and proudly owning the successful Subculture record label. But there's much more to come. A relentless drive to give the crowd that energetic push and mesmerize them with a breathtaking intensity. That's what's been kee