The present invention relates generally to interacting with audio and ambient music, e.g., as obtained by a handheld device such as a cell phone. One combination includes: receiving electronic signals representing ambient music captured with a microphone in a user device; transferring the electronic...http://www.google.co.uk/patents/US7562392?utm_source=gb-gplus-sharePatent US7562392 - Methods of interacting with audio and ambient music
