Microsoft, for example, has been developing software that takes advantage of the different times an acoustic wave arrives at each microphone in an array around the screen of a computer.

ECONOMIST: Noise-cancelling technology

But being based outside London's music industry gives him a different perspective on the current wave of acoustic troubadours.

BBC: What is it about sensitive boys with guitars?

Our final host is Tiffany Shlain, filmmaker and founder of the Webby Awards, whose first hidden treasure is the Wave Organ, a wave-activated acoustic sculpture located on a jetty in the San Francisco Bay.

BBC: The Real San Francisco