'The next stage of rock' (that sounds truly awful!) created far more turgid records than gems, and The Beatles, Dylan and The Stones quickly, and rightly, went back to their roots in 1968 and all three made better records.
'Sgt. Peppers' has, just in the last 24 hours, taken a further tumble by being included in a Top 100 Prog LPs (urgh! can you imagine?) list.
It's at no. 72 and is mercifully the only LP I own on the list, but that isn't going to stop me having a good look at its position on my CD shelf.....and a long shower with plenty of shower gel!