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Click here to view the official video trailer for our newest album "Altered State".

Tetrafusion is a Louisiana-based progressive metal band signed to Nightmare Records. After establishing in 2006, the band released their self-produced debut, “Absolute Zero,” in February of 2009, sans vocals, to critical acclaim from the underground music scene and received rave reviews from press and new fans worldwide. The album was featured globally on numerous commercial and online stations, and received positive acknowledgment in Germany’s Rock Hard, Decibel, and Progression Magazines. The album was also hailed as one of the “top albums of year” by A year and a half later after independently selling albums in 21 countries, the band signed to Minnesota-based label Nightmare Records for the worldwide release of their sophomore effort “Altered State”. This marks the band’s first time to incorporate vocals into their work, as they will continue to do in all future material. After releasing on October 12th, 2010, the album peaked several days later at #13 on Amazon's Bestsellers Chart under the 'Hard Rock & Metal' category. The album is being distributed in North America and Canada by Sony/RED Music to all major retailers.