The 1st 4 several years from the nineteen sixties has usually been found as an period of hiatus for rock and roll.[fifty six] Much more recently some authors[weasel words] have emphasised critical innovations and developments in this period without having which future developments would not have been achievable.[fifty seven][58] https://scrapbookmarket.com/story20751167/the-2-minute-rule-for-rock-music