Skandapurana 1.4.9.9

1.4.9.9

pūjā viracitā ramyā śaṃbhoriti mayā nṛpa..
tatastāṃḍavamārabdhamanapekṣitasatkriyam.. 11.9 ..

a charming worship of Śambhu was performed by me in this way, O king. / Then a tāṇḍava dance was begun, disregarding proper ritual procedure;