Droning on eucalyptus didgeridoo, recorded in a small room with a large-diaphragm condenser mic by user dethrok. This is a mono edited version of his sound, at url: <a href="http://freesound.org/people/dethrok/sounds/272165/" rel="nofollow">http://freesound.org/people/dethrok/sounds/272165/</a>