Expanding on the show proved a bit more challenging because “Off the Charts” traces about 50 years of hits from the Billboard Top 100, since the chart’s debut in 1958, through the 1990s.

The 1970s was a tumultuous time, full of upheaval on many fronts, from the end of the Vietnam War to the dawn of personal computers. It makes sense that its music had a similar helter-skelter feel.

Here’s our favorite 50 so far — songs ... for years, and Swims finally found the song that showcases the outer limits of his booming instrument and rode it all the way to the top of the ...

The Miracles’ hits, from “Shop Around” to “You’ve Really Got a Hold on Me,” became top hits and cultural ... celebrating 50 years of “Being With You,” Robinson is reflecting ...

Musicians Graham Russell, left, and Russell Hitchcock of Air Supply attend the 2009 J&R MusicFest at J&R Music and Computer ...