Keys!

What do la clave, the difference between public and private, and two giraffes have in common? In this sneaky episode of Ear Snacks, Andrew & Polly learn about the rhythms of Cuban music with Martina Castro (producer of The Vivo Songbook ), and then explore the ideas behind artist Paul Ramirez Jonas' project Key to the City (involving 24,000 keys!) Oh - and Kevin & Louise try to crack Andrew &…