On the one hand, /-ay/ is said to be a verb suffix indicating 2nd person singular in Dravidian languages where the verb seems to be sentence final. And it’s not unusual to address a person in a song.
On the other hand, the singing style and the lack of retroflex sounds tell me that the language is not spoken or sung on the Indian subcontinent.
About the only significant clue I can pick out is that every line ends with /vai/. What language would tend to have that grammatical construction?
On the one hand, /-ay/ is said to be a verb suffix indicating 2nd person singular in Dravidian languages where the verb seems to be sentence final. And it’s not unusual to address a person in a song.
On the other hand, the singing style and the lack of retroflex sounds tell me that the language is not spoken or sung on the Indian subcontinent.
The language is Oroqen, a Tungusic language spoken in Inner Mongolia and Heilongjiang in northern China.
The recording comes from YouTube: