Ramayana
नारदस्तुम्भुरुर्गोपः प्रवरास्सूर्यवर्चसः । एते गन्धर्वराजानो भरतस्याग्रतो जगुः ॥ २-९१-४६
There along with Narada, Tumburu and Gopa, distinguished kings of the gandharvas, looking bright like the Sun, began to sing in the presence of Bharata. ॥ 2-91-46॥
english translation
nAradastumbhururgopaH pravarAssUryavarcasaH । ete gandharvarAjAno bharatasyAgrato jaguH ॥ 2-91-46
hk transliteration by Sanscript