Hangover Music, Vol VI is the sixth studio album by heavy metal band Black Label Society , released April 20 , 2004 . This album is a much more mellow affair than any other Black Label Society album, and some fans have recognized it as a nod back to Zakk Wylde's solo effort, Book of Shadows , from 1996 . The album contains a piano version of Procol Harum 's 1967 No.
1 "Whiter Shade of Pale" and a song entitled "Layne," which is written in memory of Layne Staley of Alice in Chains .