Both albums represented the popular height of 60's psychedelia, and heralded the gruesome demise of the flower power scene at the same time.
A nod to Macca...'Helter Skelter' is still one of the most skull-crushing tracks ever recorded. It's hard to imagine that the same guy who created that bunker-busting bass line/throat-shredding screamed vocal is the same guy who sings 'Honey Pie'.