I have had the chance to perform Actus Tragicus a few times during my professional life.
There are 2 versions of the cantata – in E flat major and F major -. recorder players cannot play the E flat one for the reason that they do not have an E flat (a small problem. yet crucial…) so they have to find creative solutions.
Speaking about that specific problem, here is Ton Koopman:
Notice the opening sonatina at the end of the video – with Marion Verbruggen on recorder.
Here you shall find a few videos of interesting performances:
Cantus Coln:
and it continues here:
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