Skandapurana 1.4.9.10

1.4.9.10

śivasya purato bālyādgītaṃ ca svasvarjitam..
akārṣaṃ sakṛdevāhaṃ bālye śiśugaṇāvṛtaḥ.. 11.10 ..

and out of childishness I sang my own song in front of Śiva. / I did this only once in childhood, surrounded by a group of children.