This evening, the vocal quartet plus pianist known as The Five of Us perform at the Scandinavian Heritage Park at 7 p.m. as part of the ongoing 2013 Arts in the Parks series. The group consists of soprano Mary Muhlbradt, alto JoAnn Samuelson, tenor Greg Carpenter, bass Eric Furuseth and pianist Audrey Hugulen. The group grew together organically from people who simply love to sing together, experimenting with harmonies while exploring different genres of music. They sing jazz, chorale, gospel works and folk tunes - some a capella, but most accompanied. The group has been together since 1995 with essentially the same personnel, a familiarity that shows in their easy presentations.