The Town of Gravenhurst has announced hip-pop-dance trio PRTY H3RO as the main entertainment for Graeme Murray’s Arena Dedication Day. Murray who is a Ice Sledge Hockey Paralympic Gold Medalist says September 20th is a big day not only for him, but for the Town as it will bring lots of excitement and entertainment. The Vancouver trio, who are now based out of Toronto are set to perform between 12pm and 130pm. The arena dedication ceremony is scheduled for 11:30am with free family skating and swimming and a sledge hockey demonstration game.