Hoc vero licet animadvertere etiam ab citharoedis qui, superiore tono cum volunt canere, avertunt se ad scaenae valvas et ita recipiunt ab earum auxilio consonantiam vocis.
We can observe this also from those who sing to the zither, who when they wish to sing with a louder tone, turn to the wooden scenery, and, with this help, gain resonance for their voice.
final_alignments\Vitruvius_Architecture_Book_5.json