Ya, but it's not a Song..
It's My Life..
Here, Vennu uses an intricate form of metaphor saying that the song is not a song but instead it his life. But obviously it is a song and there for it is also his life.
To help improve the meaning of these lyrics, visit "It's My Life What Ever I Wanna Do" by Vennu Mallesh Lyrics and leave a comment on the lyrics box