 Complete the following phrase:  To composers in the then Communist Bloc in Central and Eastern Europe, Weberns music and its techniques promised an exciting, unique, and challenging alternative to socialist realism, with its perceived tendency to kitsch and its nationalist and traditionalist overtones. Whereas Bergs Lyric Suite may have influenced the third and fourth string quartets of Bartók in 1927 via an ISCM concert in which Bartók himself performed his own Piano Sonata, Weberns influence on later composers from what became the Hungarian Peoples Republic and from other countries behind the Iron Curtain was sometimes mediated or obstructed by politics. As Ligeti explained to a student in 1970, In countries where there exists a certain isolation, in Eastern Europe, one cannot obtain correct information. One is cut off from the circulation of blood. Nonetheless, Weberns work was a seminal influence on that of both Endre Szervánszky and György Kurtág following the 