didgeridoo health

  With its origins among the aborigines of northern Australia, the didgeridoo is an exotic instrument made all the more striking when adorned with aboriginal designs and images of lizards or kangaroos. It is a roughly six-foot tube of hardwood, typically eucalyptus, that has been hollowed out by termites. More advanced players can mimic the calls of the kookaburra bird and a variety of animal sounds such as growling and croaking. It can bring to mind the raucous percussive symphony of cicadas on a humid summer night. To Sonny Iravani of Sydney, the didgeridoo is all those things. It is...