James Caesar Petrillo, tough little A.F. of L. boss of the big American Federation of Musicians, last week put a hammer lock on two famed fiddlers and a famed orchestra. Boss Petrillo forbade two of the Boston Symphony's scheduled soloists—Fiddlers Efrem Zimbalist and Joseph Szigeti—to fill their dates (two each) this season. Petrillo could call the fiddlers' tune because they had joined his A.F. of M. after resigning from the American Guild of Musical Artists (the boiled-shirt union which Petrillo has been trying to bust).
Violinist Zimbalist said he was disappointed. But he...