Pietro Ballo . Operatic tenors

Artist Data:
Wikipedia: https://en.wikipedia.org/wiki/Pietro_Ballo
Artist Data:
Wikipedia: https://en.wikipedia.org/wiki/Pietro_Ballo
Artist Data: Mario Filippeschi was born 1907-06-07. Mario Died: 1979-12-25….
Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Adam_Klein_(tenor)
Artist Data: Mario Tiberini was born 1826-09-08. Mario Died: 1880-10-16….
Artist Data: Karel Burian was born 1870-01-12. Karel Died: 1924-09-25….
Artist Data: Gunnar Graarud was born 1886-06-01. Gunnar Died: 1960-12-06….
Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Joseph_Wilhelm_Swoboda