As you travel around cities, you are aware that the sounds and music heard on the street have a different flavour at each location.
This reflects local cultures, but is also affected by things such as architecture, technology and sounds from nature. Even 'natural' sounds are affected by human culture - the animals in the zoo have been put there by us and the timing and sounds of the dawn chorus are altered by technology.

Watch whole sequence on Vimeo (approx 10 min)