There are 2 bands with the name Defiance: (1) Defiance is a thrash metal band from Oakland, California. While virtually unknown to mainstream metal and rock circles, Defiance is known as one of the classic second-tier thrash bands to come from the Bay Area thrash metal scene. They played a decidedly technical style of thrash originally evoking bands like Testament, though they would later move on to playing in their own unique, more progressive thrash style. They reformed in 2005 and have since release an album entitled The Prophecy in late 2009.
Chaos UK are a UK hardcore punk band formed in 1979 near Bristol. Consisting of Simon on vocals, Andy on guitar, Kaos on bass, and Potts on drums (although the band has been through many different line-ups over the years with Kaos as the only consistent member). Their lyrics deal with topics such as unemployment, economic recession, drinking, infanticide, distrust of government, the police, and authority in general.