Listen to Unbreakable Heart (In the Style of Carlene Carter) [Performance Track with Demonstration Vocals] online. Unbreakable Heart (In the Style of Carlene Carter) [Performance Track with Demonstration Vocals] is an English language song and is sung by Done Again. Unbreakable Heart (In the Style of Carlene Carter) [Performance Track with Demonstration Vocals], from the album Unbreakable Heart (In the Style of Carlene Carter) [Performance Track with Demonstration Vocals], was released in the year 2011. The duration of the song is 3:40. Download English songs online from JioSaavn.