Watch as German operatic tenor Jonas Kaufmann explains why Birgit Nilsson was “an unbelievable force of nature” while English-Italian conductor Antonio Pappano breaks down her 1969 performance of “Turandot.”
Premieres Friday, March 22 at 9:00 p.m. on PBS (check local listings). Streams beginning March 23 pbs.org/gperf and PBS apps.