What makes Temper Temper by Bullet for My Valentine notable?

'Temper Temper' debuted at number three on the UK Albums Chart and reached the top ten in several other countries, demonstrating Bullet for My Valentine's significant commercial appeal. The album received mixed reviews from critics, with some praising its catchy hooks while others criticized its departure from earlier heavier styles, marking a notable moment in the band's evolution. Released on October 22, 2012, 'Temper Temper' is Bullet for My Valentine's fourth studio album, following their successful 'Fever' in 2010. At this point in their career, the band was navigating a transition to a more mainstream sound while attempting to maintain their heavy metalcore roots.