How Did Georg Ots Die?

Georg Ots was an Estonian baritone. He sang at the Estonian National Opera from 1951 until his death in 1975. Ots gained wider recognition with his roles at the Bolshoi Theatre, particularly with his lead role in Tchaikovsky's Eugene Onegin with Galina Vishnevskaya as Tatyana. He was also celebrated for his performance in Mister Iks, based on Imre Kálmán's operetta Die Zirkusprinzessin.