In the latest installment of Front of House, our photographer Sara Marsden popped along to Belfast’s Ulster Hall to capture Sean Pagel, Joe Byrne and Davy McCready from Ireland’s premier lighting company, PSI. Offering a wonderful insight into the industry, Pagel touches on the technical and creative sides of lighting, providing the lighting for the likes of Riverdance, Philip Glass and Live at the Marquee, as well as some personal insight into the peaks and (seemingly very rare) low points of the job. Hi Sean. First off, can you tell us how you first got into the lighting business? When I left school…