This extends to the composition of the quartet itself. Formed in 1976, the group gave its first concerts in 1977 and settled into its current lineup in 1979, when cellist David Finkel joined. But the Emerson has never settled on a permanent first violinist—Eugene Drucker and Philip Setzer alternate those duties.
"We've just always done it that way," Philip Setzer explained. "On my last day at Juilliard, I mean…