Top 100 70s Songs

This app plays the full track for the top music of the 70s.
Music in the 70s branched out into many sub-genres: soft rock; punk; folk rock...and yes, disco.
What are the 100 top rock songs that emanated from the 8 track player?
This list of songs has stood the test of time to become the Top 100 Rock songs of the 70s.