Ramayana
नभःस्थाने दुन्दुभयो देवानां प्राणदंस्तदा । वाक्यं चैवान्तरिक्षे च साधु साध्विति तत्तदा ॥ 7-9-36 ॥
At that time the kettledrums of the gods resounded in the sky, and a voice in the firmament then cried out, "Well done, well done!"
english translation