Shiva Purana
अथ स्थानगतो ब्रह्मा तुम्बुरोर्नारदस्य च ॥ परस्पर स्पर्धितयोर्गाने विवदमानयोः ॥ १६ ॥
Then Lord Brahmā reached the place of Tumburu and Nārada. They competed with each other and argued in singing.
english translation
atha sthAnagato brahmA tumburornAradasya ca ॥ paraspara spardhitayorgAne vivadamAnayoH ॥ 16 ॥
hk transliteration by Sanscript