Natyashastra
अष्टाङ्गपदसंयुक्ता विचित्रा वेदनिर्मिता । तदन्तेऽनुकृतिर्बद्धा यथा दैत्याः सुरैर्जिताः ॥ ५७॥
The Nandi, composed of eight parts and created with various elements from the Vedas, concludes with a representation of the Daityas being defeated by the gods.
english translation
aSTAGgapadasaMyuktA vicitrA vedanirmitA । tadante'nukRtirbaddhA yathA daityAH surairjitAH ॥ 57॥
hk transliteration by Sanscript