The primary 4 several years on the nineteen sixties has historically been seen as an period of hiatus for rock and roll.[56] A lot more recently some authors[weasel words] have emphasised important improvements and tendencies in this period devoid of which long run developments wouldn't are actually achievable.[57][fifty eight] https://pink-floyd-another-brick08518.blazingblog.com/35526179/the-definitive-guide-to-rock-music