WIKIPEDIA:

“ IV is the fourth studio album by heavy metal band Godsmack, released on April 25, 2006. This is Godsmack's only studio album produced by Andy Johns.

Recording and lyrical themes
According to Sully Erna: "This is the first time I’ve been totally honest, speaking the truth about real situations," he says. "In the past I was always pointing a finger, whether at myself or someone else, but I’ve come clean with myself and the people I can now love and care about.
This record is about the light at the end of the tunnel, coming out of that funk, recognizing the dark parts of our lives, but committing to finding a way out of them."
With legendary engineer Andy Johns, who worked on such Led Zeppelin classics as "Stairway to Heaven" and "When the Levee Breaks", as well as albums by the Rolling Stones and Van Halen, Godsmack steps up in class, from the metal ghetto to full-fledged classic blues-rockers.
Recorded at Spiral Recording Studio in Los Angeles, Godsmack had the luxury, for the first time, of writing and recording IV without being on the road or having to rush to meet a deadline. They wrote 35 tracks, recorded 17, and picked [......] ”

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