It is the 'Persian Romeo and Juliet' " a hokey old work full of paper beards, corny wedding tunes and lots of camels. So why has the great cellist teamed up with choreographer Mark Morris to freshen up Layla and Majnun?There was to be no leader, no dominant cultural voice. When Yo-Yo Ma founded the Silkroad ensemble in 1998, the cellist's vision of an international community of musicians forging a global idiom of mus…
