Kastner was the father of physician and musician Fr�d�ric Kastner, inventor of the pyrophone.
2.
At 1998's Burning Man, a pyrophone referred to as " Satan's Calliope " was powered by ignition of propane inside resonant cavities.
3.
Detonations inside the calliope ( and steam whistle ), as well as the pyrophone might thus be considered as class 42 instruments, despite the fact that the " wind " or " air " may be steam or an air-fuel mixture.
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