Salzburg Festival audiences will get an advanced release of Anna Netrebko and Yusif Eyvazov’s new album “Romanza.” On August 14, the couple will sign their new CD at the Musik Jathlnigg at 1 p.m. local time. “Romanza” marks the first crossover album for Netrebko and her second duet album for Deutsche Grammophon. The set includes new songs by Igor Krutoy, who composed {…}