Richard Green hosts a countdown of the official chart for july 1970 and 1981.

More from IN THE 1970S and 1980s

Barry Aldiss on Radio Luxembourg 1978 and movies from 1972 and Ian Anderson of Jethro Tull

Roger Scott looks at Pink Floyd and Dark Side of the Moon

PUNK ROCK with Alan freeman

Vintage Chart Show 1988 Jan

Steve Wright presents the chart october 1967

Steve Wright Love Songs 1983

The Dave Cash Countdown - MAY 1976 RECORDED IN 2016

Casey Kasem from the 1970s and Radio One Rosko Round Table and Noel Edmonds from 1971

Christmas Charts 1981

RADIO CAROLINE FLASHBACK TOP 20 COUNTDOWN JUNE 1982 REC 2021