20:32DiscoveryWhy Do Some Songs Get Stuck in Your Head?BBC World Service Duration: 27 minutes Mon 7th May 2018, 20:32 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowAnd why do I get so many static shocks? Show more GenresFactualScience & NatureFormatsMagazines & ReviewsBrandDiscovery Source: BBC Online