<?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">sound modifying devices</topic></authority><related type="narrower"><topic>kazoos</topic></related><related type="narrower"><topic>onion flutes</topic></related><related type="narrower"><topic>megaphones</topic></related><related type="narrower"><topic>voice disguisers</topic></related><related type="narrower"><topic>bullhorns</topic></related><related type="broader"><topic>sound devices</topic></related><variant type="other"><topic>devices, sound modifying</topic></variant><variant type="other"><topic>sound modifying device</topic></variant> <note xml:lang="en"><![CDATA[ Devices which do not produce sound themselves but modify the sound produced by something else, such as human breath. For equipment that transmits and reproduces sound, without necessarily modifying it, see "sound transmitting and reproducing equipment." ]]></note></mads>