 He conducted nearly all of the leading symphonies of the world, including the London Symphony Orchestra, the Israel Philharmonic, the Boston Pops, the Los Angeles Philharmonic and the Royal Philharmonic Orchestra.One of his favorites was the Minnesota Orchestra, where he debuted the "Thorn Birds Suite" in June 1983.He appeared in 1966, 1980 and 1984 in command performances for the British Royal Family.