Listen to Promise Of A Lifetime (Hearts Of The Innocent Album Version) online. Promise Of A Lifetime (Hearts Of The Innocent Album Version) is an English language song and is sung by Kutless. Promise Of A Lifetime (Hearts Of The Innocent Album Version), from the album X Worship 2007, was released in the year 2013. The duration of the song is 4:04. Download English songs online from JioSaavn.