“The kerfuffle exploded in the violin world like an out-of-tune screech in a Haydn quartet. The Suzuki method is vastly popular, selling some half a million books a year, according to its publisher; Mr. O’Connor is a star who has toured with the jazz violinist Stéphane Grappelli, worked as a major session musician in Nashville, composed for the concert hall and recorded with top musicians including Yo-Yo Ma.”