HELL FREEZES OVER (H.F.O.) is a prominent Japanese heavy/speed metal band formed in 2013 in Tokyo. They have carved a niche in the metal scene by blending classic rock, NWOBHM (New Wave of British Heavy Metal), and thrash influences into a contemporary sound. H.F.O. delivers a potent mix of heavy and speed metal, drawing inspiration from classic rock, NWOBHM, and thrash metal. Their music is characterized by high-energy performances, intricate guitar riffs, and powerful vocals, appealing to both traditional metal enthusiasts and modern audiences.