sentences:  Eventually, with the advance of technology, he was able to downsize it, till by the early 1990s, it consisted of a chanter topped with a 6 x 4 inch plastic box which housed all the components, including a 2-inch speaker, all powered by a 9 volt battery.By his death in 1996, it had become one of a well-known devices of the genre.Many of the later electronic pipes would be modeled on the Bazpipe.