The richly varied accompanying taped score, which combines Western and Aboriginal instruments with singing, chanting and electronic sounds, was composed by David Page, the choreographer's brother, and Steve Francis.

A bullroarer is a traditional Aboriginal musical instrument which produces a whirring sound.

This was unacceptable, however, and in January 1951 the name 'SP 25 pounder Yeramba'-an Aboriginal instrument for throwing spears-was accepted as the official short name.

The first concert, by Pauline Oliveros and her Deep Listening Band, began with Stuart Dempster's "JDBBBDJ" (1987), in which Mr. Dempster walked through the audience with an experimental brass didjeridu, an Aboriginal hornlike instrument that produces a vibrant, exotically textured lowing sound.

The band performs using guitar, bass, drums, and Aboriginal instruments - didjeridu, bundawuthada (gong stone) and clap sticks - to play traditional music such as the haunting "Mouydjengara", a whale-dreaming song of the Mirning people.

If you're looking for less conventional treatment options, you may be interested in a study published in 2006: Swiss researchers suggested that playing a didgeridoo, an Aboriginal instrument, improves (but doesn't cure) sleep apnea symptoms.

A couple days earlier, a musician at the harbor's Northern Territory and Outback Centre had given our son a lesson on playing the didgeridoo, an Aboriginal musical instrument made from small logs found in the bush that have been hollowed out by termites.

The jazz rhythms of Mr. Teirstein's magically atmospheric score give way to a sound that suggests Australian Aboriginal instruments (although the program lists more conventional instruments).

The other musicians are Mr. Reid, Mino Cinelu, Buster Williams and Steve Turre, who plays the didjeridoo, an Australian Aboriginal instrument, as well as the trombone.