Variétudes I - IV - Ringger, Rolf Urs 1935-2019 (Migros-Genossenschaftsbund, 1997)
Enth. ausserdem: Charie-Vari-études 5 - 12. Perpetuum (im-)mobile. Berceuse nocturnale. Caresses ... Mestizia sospesa. Ave limpidité. Für Ro. Memoires of tomorrow. Memoires 2. Long, long ago. Nadhall. - Interpr. u.a.: Akerlund, Lina (Sopr). Ziegler, Matthias (Fl). Walker, Urs (Vl). Pezzotti, Daniel (Vc). Züricher Kammersprechchor. Tonhalle-Orchester <Zürich>. Merz, Richard (Dir.). Ringger, Rolf Urs (Dir.).