<?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">electronic effects devices</topic></authority><related type="narrower"><topic>effects pedals</topic></related><related type="broader"><topic>electronic instruments</topic></related><variant type="other"><topic>effects unit</topic></variant><variant type="other"><topic>electronic effects device</topic></variant> <note xml:lang="en"><![CDATA[ A class of electronic devices that alter the sound of a musical instrument or another electronic audio source through audio signal processing. These are most commonly used either in recording or performance contexts. ]]></note></mads>