For operagoers, nothing generates more discussion and debate than contemporary updatings of classic works. For some, they’re a much-needed jolt of energy in an oftenfusty art form; for others, they’re an unwelcome distraction. Pasatiempo is putting together a readers’ panel to explore this subject in an online forum. If you’re interested in taking part in the discussion, send an email by June 2 to mtiarks@sfnewmexican.com.