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freshest streaming service. Welcome to Hit Parade, a podcast of Pop Chart History from Slate magazine about the hits from Coast to Coast.

I'm Chris Malampi, Chart Analysts, Pop Critic, and writer of Slate's Why Is This Song Number One series?

On today's show, four decades ago, in September 1978,

Billboard's album chart was awash in movie soundtracks.

In fact, there were three in the charts top ten at the same time,

each celebrating a different decade of pop.

More improbably than these three soundtracks riding the top ten together.

All three showcase the members of one group as artists, songwriters, and even in one case movie stars, the Bee-G's.

On the Greece soundtrack, the title song and biggest hit, right at the start of the movie as the opening credits

role. It was written by the Bee G's Barry Gibb and sung by former four seasons

vocalist Frankie Valley. The number one smash, Greece is the word.

The BGs were also in front of the camera that summer as members of the

titular imaginary cinematic pop group Sergeant Pepper's Lonely Hearts Club.

And finally, of course, the BGs were all over Saturday Night Fever, accounting for more

than a half dozen tracks and four new number one songs, all of which they either wrote or recorded.

Whether you're a brother away or a mother, you're a mother, you're a mother, you stay in a life, stay in a life, we're a city breaking and everybody shaking down. If you are the sort of music fan who thinks about the bgies at all, this

the city freaking and everybody shaking up we're staying alive.

If you are the sort of music fan who thinks about the Bee geez at all,

...