Hans Knappertsbusch recorded from the acoustic era through to stereo in the late 1950s and early 1960s. His Wagner recordings, though slow, are well-regarded.
Johann Strauss II – Tales from the Vienna Woods
Berlin State Opera Orchestra, Hans Knappertsbusch
His Master’s Voice C1828
Matrices CLR 3881-II, 3882-II (4-040637/8)
Recorded 16th February 1928, Berlin