Natyashastra
क्षेपप्रतिक्षेपकृतं भाण्डोपोहनसंस्कृतम् । प्रथमं त्वभिनेयं स्यद्गीतके सर्ववस्तुकम् ॥ २९४ ॥
The instrumental music, which involves Kṣepa (acceleration) and Pratikṣepa (deceleration), should be performed in a well-prepared manner. First, the entire subject of the song should be expressed through gestures in relation to all the elements of the song.
english translation
kSepapratikSepakRtaM bhANDopohanasaMskRtam । prathamaM tvabhineyaM syadgItake sarvavastukam ॥ 294 ॥
hk transliteration by Sanscript