UrbanRemix (Georgia Institute of Technology).
BBC Experiment: Super Powered Owls. Come fa un gufo a volare in modo così silenzioso?
Lotte Geeven, The sound of the earth, audio frequencies at 9 Km deep (vedi progetto).
Ludwig Berger e Alexander Pospischil, A city searches for a microphone.
The Art of Sounds (2007) - Pierre Henry