The Lincoln Center’s “Summer for the City” program returns this summer. Only classical vocal events are featured in this article. Events are all free and pay-what-you-choose. The American Modern Opera Company presents a fusion of Monteverdi’s “The Coronation of Poppea” with W.E.B. Du Bois’s short story “The Comet” as part of the Run AMOC Festival. Performers include Anthony Roth Costanzo, {…}