We do know, however, from contemporary descriptions that Campanini's voice was robust in tone, and that it extended up to a strong high C from the chest prior to it going into a sharp decline when he was aged in his forties.
We do know, however, from contemporary descriptions that Campanini's voice was robust in tone. It extended up to a strong high C from the chest prior to an irreversible deterioration which began when Campanini was aged only in his forties.