Heyfeva are three - Calum, Joe, and Jim. Calum plays fiddle and melodeon, Joe plays fiddle and whistle and bodhran, Jim plays accordian keyboard and bodhran. Average age twelve. Jim performs solo; Calum performs solo and with Roisin as Across the Moss.

They have the same problem as most young performers in that they are largely limited by school, availability of transport, licensing laws etc.