<?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">mechanical instruments</topic></authority><related type="narrower"><topic>barrel organs</topic></related><related type="narrower"><topic>barrel pianos</topic></related><related type="narrower"><topic>player pianos</topic></related><related type="narrower"><topic>calliopes</topic></related><related type="narrower"><topic>orchestrions</topic></related><related type="narrower"><topic>music boxes</topic></related><related type="narrower"><topic>carillons</topic></related><related type="broader"><topic>musical instruments</topic></related><variant type="other"><topic>instruments, mechanical</topic></variant><variant type="other"><topic>mechanical instrument</topic></variant> <note xml:lang="en"><![CDATA[ Musical instruments in which the sound is produced automatically or mechanically, usually without a performer although some instruments involve a degree of human participation. ]]></note></mads>