25 Year Celebration of Mitcham based Maroondah Singers, established 1968, in the form of a Concert at Nunawading Arts Centre. The Choir commenced through the interest of Mervyn and May Vagg and George Irvine. Guest artists include recipients of the Maroondah Singers Memorial Scholarship (established 1990).25 Year Celebration of Mitcham based Maroondah Singers, established 1968, in the form of a Concert at Nunawading Arts Centre. choirs, maroondah singers, vagg, mervyn, vagg, may, irvine, george, horner, viviene, barnfather, jenny, wishart, claire, morgan, joy, gearing, john, thomson, max