Even in a country where heavy metal bands are neglected or reviled even by the alternative music press and industry, Metal for the Brain grew consistently since its inception. By 2000, the show had grown so big that it necessitated a move to a new venue from its long-time home at the ANU. From a bill of only six bands in 1991, by 2006 Metal for the Brain featured more than 30 and extended for more than 14 hours across three stages. In 2000, an international act was added to the show for the first time when Canadian metal pioneers Voivod headlined the event. German thrash band Destruction and Japanese thrash band Sun's Owl were booked to play MFTB in 2002. However, due to insurance problems the show was cancelled for the first time ever. Over the years, the musical focus of the event moved from exclusively death, thrash and black metal bands to a variety of styles and in later years nu metal,