STEVE VAI Sound Theories Vol I & II (2007 UK 16-track 2-CD set capturing the legendary guitarists' electrifying collaboration with the Netherlands Metropole Orchestra, spotlighting rare material culled from five European performances, a studio session and a soundcheck rehearsal recording, all of which took place between mid-2004 & 2005, featuring the previously unheard Vai tracks 'For the Love of God', 'Liberty', 'The Murder' & 'Attitude Song', among others plus the Orchestraperforming compositions penned by Vai, including 'Shadows and Sparks' & 'Bledsoe Bluvd')