ATTENDING Edinburgh's International Festival of the Arts parallels, incertain ways, the experience of being on an organized tour: If it's Tuesday, itmust be Rudolf Nureyev; if it's Friday, it's Seiji Ozawa ... or was that Yo-YoMa?
Of course, many of the festivalgoers are tourists, and Edinburgh becomes asurging sea of cosmopolitanism in late August and early September each year.
"International" the festival certainly is. This year there was theaterfrom the United States, Japan, Korea, New Zealand, Australia, India, England and(naturally) Scotland. There were orchestras from Moscow, London, Rotterdam,Berlin, San Francisco, Japan, Scotland (naturally) - and …