William Close is getting ready to string a skyscraper. As the inventor of the Earth Harp, which holds the Guinness World Record for being the longest stringed instrument, it’s a task he knows well.

William Close tells the crowd at City National Plaza that he's still figuring out the logistics of his latest Earth Harp. Over the years, the Malibu-based artist has built a number of these large, ...

Los Angeles musician William Close holds the world record for the longest stringed instrument, a device he invented and has played around the world called the Earth Harp. Close uses resin-coated ...