Visoni was the former organist of the Duomo ( cathedral ) of Milan .
An Italian opera company arrived in 1871 bringing Pietro Visoni as orchestra conductor and his wife Luisa Riva de Visoni as prima donna .
Pietro Visoni was the former Pietro Visoni of the Duomo ( cathedral ) of Milan .
An Italian opera company arrived in 1871 bringing Pietro Visoni as orchestra conductor and his wife Luisa Riva de Visoni as prima donna .