Gotthold Schwarz is of a voice type whose term arose when?
Gotthold Schwarz: Gotthold Schwarz (born 2 May 1952 in Zwickau) is a German bass-baritone singer and conductor. Bass-baritone: A bass-baritone is a high-lying bass or low-lying "classical" baritone voice type which shares certain qualities with the true baritone voice.
i don't know