Almost all sounds are single wavelets sampled from a string quartet piece by Haydn. The background noise is a much longer section, modulated with pink noise.

More on this 82nd Disquiet Junto project, in which a minimal techno track was created using elements of a Haydn string quartet, at:
http://disquiet.com/2013/07/25/disquiet0082-minimalhaydn/

The source Haydn audio is from:
http://goo.gl/7MMHRA

More details on the Disquiet Junto at:
http://soundcloud.com/groups/disquiet-junto/

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