La Cieca’s latest episode of Unnatural Acts of Opera features Aprile Millo. The occasion is her upcoming appearance at Alice Tully Hall here in New York on November 12 — a concert performance of Leoncavallo’s verismo gem Zaza with the Teatro Grattacielo. The podcast features selections from two previous concert opera performances by Miss Millo: Verdi’s I Lombardi (1986) and Ponchielli’s La Gioconda (2004).