Easy, the 70"s something for everyone, and boy they all seemed to be enjoying themselves.
Glam Rock: TRex, Bowie, Roxy Music then Mud, Sweet, Glitter etc etc.
Classic/Concept Albums: Led Zep 4, Pink Floyd Dark Side.., The Who Whos Next, Stones Sticky Fingers etc etc.
Punk: Sex Pistols, Clash, Stranglers, The Jam, Buzzcocks
Kids: Rolf Harris, Ken Dodd and the Diddymen, Pinky and Perky(they seem to be making a comeback)
Nough said, end of thread.