The works of Ādi Śaṅkarācārya

Chāndogyopaniṣadbhāṣyam

Avatarika

Avatarika

अथ हैनमुद्गातोपससादोद्गातर्या देव-तोद्गीथमन्वायत्ता ता चेदविद्वानुद्गास्यसिमूर्धा ते विपतिष्यतीति मा भगवान्वो-चत्कतमा सा देवतेति ॥ ६ ॥

In plain words

Then the udgātṛ approached him and said: 'You told me, O udgātṛ, "If you chant the udgītha without knowing the deity anchored to it, your head will shatter." Which deity is that?'

Close to the Sanskrit

Then the udgātṛ approached him: 'O udgātṛ, the deity that is anchored to the udgītha, if you without knowing her will chant the udgītha, your head will fall off' — thus did your holiness speak to me; which is that deity?