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An electrical engineering student has developed a 16-part orchestra machine out of floppy disc drives. "It was something that I picked up previously when I was looking at projects for this year," said James Willis. "The drives themselves have within them a motor that moves the head, or back in the day the floppy disc, to read the bits of data. "By moving that at the frequency of a note, just like the way that a piano hits a string and that vibrates, that generates that tone that I need on that particular disc."