40 Top Group or Duo Hits from Jan to June 1970 Before Casey Kasem Began

More from 60s, 70s & 80s Countdown-er

1975 Aug 9

1988 Jan 9 SiriusXM Big 40 Countdown

1975 Nov 1

1984 Jan 27 SiriusXM Big 40 Countdown

1981 June 20 SiriusXM Big 40 Countdown

1977 Apr 9

1975 Jan 25

1980 Aug 16

1974 May 11

1972 Oct 21