Martin Bernheimer (August 2006). "The Not-So-Grand Tour". Opera News. Vol. 71, no. 2. pp. 40–45. Archived from the original on May 4, 2021. Retrieved March 20, 2021.
Martin Bernheimer (August 2006). "The Not-So-Grand Tour". Opera News. Vol. 71, no. 2. pp. 40–45. Archived from the original on May 4, 2021. Retrieved March 20, 2021.