An outstanding Slovak musicologist and opera critic Miloslav Blahynka deals originally with studying musicality of Haspra's staging in Radickov's 'Pokus o lietanie' (An Attempt to Fly). He observes that in Radickov's staging 'Pokus o lietanie' (An Attempt to Fly) (the Slovak National Theatre 1980) the director Pavol Haspra was trying to draft an artistic function of the respective characters on the basis of their resemblance with voices of the multi-vocal musical composition. In doing so, he connects the musical principles with the compositional structure of the staging and through them strengthens not just the internal order of the staging, but signals also a more striking inclination to the artistic sensualism.
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