1. Absentation's demo was used as a soundtrack for a Syrian TV series about metalheads in Syria

2. In his book Metalheads, psychologist Jeffrey Arnett refers to heavy metal concerts as "the sensory equivalent of war".

3. Beastie Boys crashed into the mainstream in the mid-'80s rapping about "The New Style" and yelling "(You Gotta) Fight for Your Right (To Party!)," their brash hedonism striking a chord with hip-hop fans and suburban metalheads alike

4. Originally launched back in 2006, the Caparison Horus-HGS or 'Heavy Gauge Strings' model offers baritone B to B tuning (high to low: B F# D A E B) for metalheads on a regular 628mm (24.75-inch) scale length with a set of 0.010 to 0.052 gauge strings.Now, you might be thinking there's no way a guitar with the same scale length as a Gibson Les Paul can tolerate B to B tuning without the …