Some interesting patterns pop up when you consider the songs listed below. It wasn't a perfect science, but we made our best educated decisions about which songs once ruled the radio and the cash registers. For the summers of 1962 through 1984, we looked through the June-August Billboard charts, taking note of which songs were on the charts the longest, in any position, and which had staying power at No. Billboard has compiled lists of the Top 10 charting Songs of the Summer since 1985, so figuring those was easy.