In concert, Muti and a well-rounded Falstaff bathe Verdi’s bittersweet opera in telling light

Review: Amid all its other virtues, and those are manifold, there is a refreshing, illuminating transparency and uncluttered purity in the Chicago Symphony Orchestra concert presentation of Verdi’s opera “Falstaff.” Its co-stars are baritone Ambroglio Maestri in the title role, at the head of a splendid cast, and CSO music director Riccardo Muti on the podium.