कं ते काममागायानीत्येष ह्येव कामागानस्येष्टे य एवं विद्वान्साम गायति साम गायति ॥ १.७.९ ॥
In plain words
"What desire shall I sing for thee?" For he alone has power to sing desires who, knowing this, sings the Sāman — sings the Sāman.
The commentators
Chāndogyopaniṣadbhāṣyam· bhāṣya
क ते काममागायानीत्येष ह्येव काम-
In plain words
Which desire shall I sing into reality for you? Indeed, this very desire...
Close to the Sanskrit
Which desire for you shall I sing forth? Indeed this very desire...