मैं भी तेरे जैसा हूँ

There's a ghazal singer in Pakistan- Ghulam Ali. He's considered as one of the greatest singers of his era. He has also been a prominent playback singer in Bollywood.

Ghulam Ali

Nasir Kazmi

He sang one of the famous Ghazal of Nasir Kazmi- "अपनी धुन में रहता हूँ"
So this line is from that Ghazal- "अपनी धुन में रहता हूँ,मैं भी तेरे जैसा हूँ"