What makes The Hardness of the World by Slave notable?

This album is notable for its critical reception, particularly from publications like Rolling Stone, which highlighted Slave's innovative approach to funk music. It contributed to the band’s growing influence in the genre during a time when funk was evolving and gaining mainstream attention. Released in early 1977, 'The Hardness of the World' was Slave's second studio album, following their self-titled debut. At this point, the band was solidifying their unique sound within the funk genre, building on the success of their previous work while expanding their musical experimentation and lyrical themes.