Alban Berg Quartet Vienna's New Quartet - Gunter Pichler - violin. Klaus Maetzl - violin. Hatto Beyerle - viola, Valentin Erben - cello. C. Mid 70's. A Music Viva Attraction. Stamp of Music Advancement Society of Bendigo.event, entertainment, music, alban berg quartet, gunter pichler, klaus maetzl, hatto beyerle, valentin erben, musica viva attraction, music advancement society of bendigo