Moore was magnificent in her role as Rebecca Pearson on This Is Us — especially in the character's older years.

The 1970s was a turning point in United States history. It was also a turning point in popular music. Many new genres were born, and in the process, changed music forever.

These songs by legendary artists topped the country charts in the 1970s but have since disappeared without a trace.

These were hot, dimly lit, crowded, smoke and sweat-filled spaces where the music ricocheted off surfaces and fed directly ...