Roberta Mattilli

Roberta Mattilli sang in a run of German open-air productions in July 2004 — Verdi's Nabucco and Aida at Heidelberg, Mosbach, Kaiserslautern and Hannover — mounted with the Plovdiv Philharmonic and the chorus and ballet of State Opera Stara Zagora. The tenor Lance Ryan was in the Hannover cast.