"Frozen" is the third single from the Within Temptation album The Heart of Everything (2007). The single was released in Europe on June 11, 2007. The song and the video both deal with the issue of domestic and child abuse. The band donated the income they receive from Sony/BMG for the “Frozen” single to the Child Helpline International. In the UK, the song "The Howling" was chosen for the second single, available as a digital download only. The Frozen single contains single versions of both these songs.

The song deals with the subject of domestic and child abuse. On their Web site, the band explained they wanted to raise awareness about "a subject that [they] feel is not discussed in public enough." Lead vocalist Sharon den Adel stated during an interview that she got the inspiration for writing the lyrics from her new experience as a mother. The idea of making it a single and a music video came after, as the band found important to deal with a subject as that in a real and honest way. After choosing the song as a single, the band then approached the Child Helpline International as they felt the need to make something extra with the single sales while considering the subject in question.

The music video's plot supports the claim that the track is about childhood abuse and domestic violence. It portrays an alcoholic who beats and presumably rapes his wife and daughter, and at the close of the video is killed by a poison slipped into his drink by his wife. The wife, as a result, is put in jail and possibly sentenced to death, leaving the child an orphan. At the beginning and in the final moments of the video, she is shown writing a letter to her daughter. The video also features the band playing the song.

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