Helga Schmidt (above), Janet Coster, and Liane Synek were the Norns in a performance of GOTTERDAMMERUNG given at Cologne in 1972. Hans Wallat conducts.
Listen to their Norn scene in two parts:
Norns - Pt I - Helga Schmidt - Janet Coster - Liane Synek - Cologne 1972 - Wallat cond
Norns - Pt II - Helga Schmidt - Janet Coster - Liane Synek - Cologne 1972 - Wallat cond