Podcast - what makes a one-hit wonder?

Take On Me' by A-Ha, 'Maniac' by Michael Sembello, 'Come on Eileen' by Dexys Midnight Runners, 'Kung fu fighting' by Carl Douglas, 'A Girl Like You' by Edwyn Collins are all one-hit wonders, songs way more famous than their respective authors, a phenomenon in music. Slate podcast discusses the theory of one-hit wonders...