Remember this Philadelphia soul gem? “Me And Mrs. Jones” by Billy Paul was released in September of 1972. The gorgeous tune hit No. 1 on the Billboard Hot 100 chart, among a number of other US charts.

If you find yourself thumbing through the old Hot 100 charts, one thing you’ll notice when you come to 1972 is that some all-time greats were doing their all-time best work back then. If you come ...