Natyashastra
महेन्द्रप्रमुखैर्देवैरुक्तः किल पितामहः । क्रीडनीयकमिच्छामो दृष्यं श्रव्यं च यद्भवेत् ॥ ११॥
The great Indra and other gods, thus addressed by Brahmā, said, "We desire a form of entertainment that is both visible and audible."
english translation
mahendrapramukhairdevairuktaH kila pitAmahaH । krIDanIyakamicchAmo dRSyaM zravyaM ca yadbhavet ॥ 11॥
hk transliteration by Sanscript