Ramayana
तद्युवां हृष्टमनसौ श्वः प्रभाते समास्थितौ । गायेथां मधुरं गेयं तन्त्रीलयसमन्वितम् ॥ 7-93-16 ॥
Therefore, the two of you, with glad hearts, take your places tomorrow at dawn and sing the sweet song accompanied by the rhythm of the strings."
english translation