the Music Biennale Zagreb (founded in 1961) became major channels for US classical performers. USIS was there to organize, manage, finance, and give press support. 18 Between May and June 1955, Eleanor Steber, Metropolitan Opera soprano, performed in Zagreb, Belgrade, and Osijek, making an ‘extraordinary effective work.’ 19 It was one of the first high-class performances financed by the President’s Fund. 20 The New York Times reported, ‘she let her temperament show a bit’ when she refused to sing Madame Butterfly at Belgrade’s Theatre because ‘they didn
-Kelly ( 2003 ).
Connectivity is defined by tight and loose ‘coupling’ – i.e. the degree of ‘epistatic interaction’.
This phenomenon is often depicted by Lorenz's ‘butterfly effect’ whereby an event, seemingly trivial in size or importance (e.g. a butterfly flapping its wings in Brazil), can lead to a