Brothers, best mates and a boat load of pop hits transformed into sea shanties, a recipe for Fringe success and the premise of hit new musical ‘Shantify’, running daily at the Palais Du Variete in Assembly George Square Gardens.   It would be easy to suspect that this show may simply be a concert of song after song, but rest assured that this is a full production with a heartfelt and heartwarming story complete with wonderful songs and performances that will leave you grinnin