Complex sentence: However, Tim then hits on the idea of the 50s/rock and roll revival--when Bill points out that that's already been done, he brings back the rock and roll revival revival and the country is plunged into a ridiculous obsession with everything 1950s.
Split into simpler sentences: However, Tim then hits on the idea of the 50s/rock and roll revival. When Bill points out that that's already been done, he brings back the rock and roll revival revival and the country is plunged into a ridiculous obsession with everything 1950s.