Valmiki Ramayana Aranya Kanda Sarga 11 Shloka 19

सङ्क्रीडमानानाम् while playing तासाम् for them, एषः this, वादित्रनिस्स्वनः the sound of musical instruments, भूषणोन्मिश्रः mingled with that of ornaments, मनोहरः pleasing to the ears, गीतशब्दः sound of songs, श्रूयते is heard.

While the apsaras played their musical instruments, their melodious songs mingled with the sounds of ornaments are heard.