1) Voice type 
A Heldenbaritone is an opera singer, a German dramatic baritone. `Heldenbaritone` (Ger. `Heroic baritone) is a fach (operatic voice type) that is usually associated with the operas of Richard Wagner. It is usually sung by bass-baritones such as Hans Hotter, Theo Adam or Bryn Terfel. Wagner himself calls this voice type `Hoher Bass` (high bass...