[5] The album's title track "Unbreakable" was officially released to radio in December 2007.

[9] The band's female-fronted hard rock sound has been compared to Paramore and Evanescence, and Dawn Michele's vocals on Unbreakable have been described as "riveting".

[10][11] AllMusic reviewer Jared Johnson labeled certain tracks as "pulsating rockers", such as the singles "Unbreakable" and "The Hunger";[10] he described the album's lyrics to be "victorious as a refuge for listeners struggling with loneliness, discouragement, and isolation.

[12] The title track "Unbreakable" is based on the Biblical account of Jesus and the woman taken in adultery.

Dawn Michele (lead vocalist) said: "the people in charge were ready to kill her, and Jesus speaks up for her, changes their minds and makes them feel ashamed for accusing her.