What makes Rock On by Humble Pie notable?

'Rock On' is significant for its critical reception, with notable tracks like 'Shine On' receiving airplay and contributing to the band's growing reputation. The album encapsulates the hard rock essence of its era, influencing future artists while showcasing the band’s evolution from blues-rock origins. Released on March 1, 1971, 'Rock On' was Humble Pie's third studio album during a time when they were solidifying their sound after the departure of guitarist Peter Frampton. This album followed their commercially successful 'Performance: Rockin' the Fillmore,' positioning them as a prominent force in the hard rock scene of the early 70s.