call me crazy,but..1955-1979 is a good mix, 1980-2005 is a good mix.....70's and 80's the more I listen, the more it just doesn't seem to fit. I believe 8/1/1981 ushered in a phenom that just outdated the 70's by 20 years rather than just the actual chronological couple of years. MTV changed the landscape forever, the MTV era restarted the clock at zero on 8/1/1981, except for the VJ's, damn, Nina blackwood did not age gracefully. Maybe the first video televised on MTV was more prophetic than they anticipated..The Buggles "Video killed the Radio Star",,except for Bobby Box he is still going and going and going.