Who was Troels Svane taught by that was born 28 May 1923?
Troels Svane:  He was taught by Anner Bylsma, Frans Helmerson, Ralph Kirshbaum, György Ligeti, Yo-Yo Ma, Siegfried Palm, Boris Pergamenschikow, Mstislav Rostropovich, Daniil Shafran, Paul Tortelier and the Amadeus Quartet.
i don't know