MUMBAI: Carrie Underwood has unveiled a new song titled ‘What I Never Knew I Always Wanted’ from her upcoming album ‘Storyteller’.

The song is a tribute to Underwood's husband Mike Fisher and their son Isaiah.

In the track, she sings about how her life changed after she met Fisher and welcomed Isaiah on the first and second verse respectively, reports aceshowbiz.com.

She adds on the chorus, "I finally found what I never knew I always wanted/ I couldn't see, I was blind 'til my eyes were opened/ I didn't know there was a hole/ Something missing in my soul/ 'Til you filled it up with your love."

‘Storyteller’, Underwood's fifth studio album, is due out on 23 October.

Other tracks she has released as previews of the project include the lead single ‘Smoke Break’, ‘Heartbeat’ and ‘Renegade Runaway’.