<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">music box discs</topic></authority><related type="broader"><topic>sound device components</topic></related><variant type="other"><topic>music box disc</topic></variant><variant type="other"><topic>music box disk</topic></variant><variant type="other"><topic>music box disks</topic></variant> <note xml:lang="en"><![CDATA[ Flat metal discs, shaped like phonograph records, which have pins partially punched out of them and bent at right angles. They are used in disc-playing music boxes which became popular from the late 19th century. ]]></note></mads>