Operatic bass-baritones

Artist Data: Raymond Michalski was born 1933-06-08. Raymond Died: 1933-06-08….

Artist Data: Leon Lishner was born 1913-07-04. Leon Died: 1995-11-21….

Artist Data: Julius Huehn was born 1904-01-12. Julius Died: 1971-06-08….

Artist Data: Robert Hale was born 2015-07-. Robert Died: 1938-baritones-22….

Artist Data: Ryan Speedo Green was born 2011-03-. Ryan Died:…

Artist Data: Donald Gramm was born 1983-06-03. Donald Died: 2010-01-02….

Artist Data: William Dooley was born 2015-05-. William Died: 1932-baritones-22….

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Michael_Devlin_(bass-baritone)

Artist Data: Richard Cowan was born 1988-12-04. Richard Died: 2013-01-09….