Each Sunday, Pitchfork takes an in-depth look at a significant album from the past, and any record not in our archives is eligible. Today we revisit the debut album by the positive-thinking Swedish ...

It seems like every musical era finds a new act from Sweden that comes around and reminds people of the pristine pop music that emerges from that country. In the early ‘90s, that act was Ace of Base.

That’s what happened when Ace of Base’s demo tape got stuck in the car cassette player of the late pioneering Swedish producer Denniz Pop. As a result of that fateful foul-up, the song that would end ...