Rubin Quartett Sizes: 150 × 150 / 300 × 200 / 768 × 512 / 1.024 × 683 / 3.840 × 2.560 v.l.n.r.: Ulrike Zavelberg (Cello), Irmgard Zavelberg (Violine), Jana Andraschke (Violine), Martina Horejsi (Viola)