While a student at the Royal College of Music, 'cellist Julian Lloyd Webber stumbled across the British Institute of Recorded Sound just down the road.
He became entranced by the music he was able to hear there.
More than 30 years on, Julian sets out to discover more about the creator of the BIRS - dentist's son Patrick Saul.
It was Saul's personal vision that Britain should, against all the odds, have a national archive of recordings of all kinds - an archive now one of the largest in the world and housed at the British Library.
What Mr Memory has to do with the Mating Call of the Haddock... will be revealed.