While still a niche compared to pop music, heavy metal and hard rock music have a rather loyal following around the world. Bangalore Open Air is returning for its 9th edition to bring together all the metal-heads in India. India&rsquos only festival completely dedicated to hard rock and heavy metal, the event was first held in 2012. The same has seen well-known bands from various countries, including Kreator, Napalm Death, and Iced Earth. Additionally, it has also hosted many Indian groups like Kryptos, and Demonic Resurrection.