In 1974 , he won the positions of Concertmaster of the Boston Pops and Associate Concertmaster of the Boston Symphony , where he spent 11 years . In 1974 he won the positions of the Concertmaster of Boston Pops and Associate Concertmaster of the Boston Symphony , where he spent 11 years .
Pada tahun 1974, beliau memenangi jawatan Concertmaster Boston Pops dan Associate Concertmaster Boston Symphony, di mana beliau menghabiskan 11 tahun. Pada tahun 1974 beliau memenangi jawatan Concertmaster Boston Pops dan Associate Concertmaster Boston Symphony, di mana beliau menghabiskan 11 tahun.