The Doors
The Doors' self titled debut album was one of the most successful debut of its time and still stands as one of the most definitive albums of the genre of rock. It's an influence of hard rock, which is linked to metal, psychedelic rock, and expanded on rock 'n roll as a whole. These are just the genres they influenced, their influences include classical and jazz and this is apparent in songs like Soul Kitchen, specifically the rhythm of the drums and bass and the groove linked between them. The incorporation of fast, almost blues-esque riffs combined with jazzy organ, light melodic playing contrasted with heavy guitar hooks and Jim Morrison's dark lyrical content made for a unique dynamic and something that apparently could be sold to a mass market. This was seen by Elektra Records, more specifically Morrison's contrasting stage presence with the rest of the band which is something that they liked.
Their LP was recorded and released in January 1967, roughly around the same time as "Sgt Pepper's Lonely Hearts Club Band" and were made out to be revolutionaries doing things in music others thought were impossible. When "Light my Fire" was released later that year it smashed commercial success and brought all these newly discovered musical features to a wider audience.