"Hybrid Theory", the title of this rock-rap band's first hit album, was one of the band's former names
... Also, the name Hybrid Theory was later used as the title of Linkin Park's 
debut... [DOC] [TLE] 15 Years Ago: Linkin Park Unleash 'Hybrid Theory' - Loudwire [PAR] Oct 24, 2015 ... Let's be the best band out there that's playing rap and rock.