Tall, lean, balding Joseph Szigeti (rhymes with spaghetti) is not the silky-slickest violinist in the world (Jascha Heifetz is), nor the velvety-mellowest (Fritz Kreisler is). But for flawless taste and all-round performance, Fiddler Szigeti gets the votes of most critics, fiddlers, composers, fastidious concert-fanciers. The 15 years, on & off, that Szigeti has fiddled in the U. S. have given him a taste for such U. S. diversions as listening to swing and the radio. Last week radio "jaywalkers"as he calls dial-twiddlershad a chance to hear Szigeti.
Newark, N. J.'s Station WOR...