<?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">humming tops</topic></authority><related type="other"><topic>reeds</topic></related><related type="broader"><topic>tops</topic></related><related type="broader"><topic>ambient sound makers</topic></related><variant type="other"><topic>humming top</topic></variant><variant type="other"><topic>tops, humming</topic></variant><variant type="other"><topic>tops, whistling</topic></variant><variant type="other"><topic>whistling tops</topic></variant> <note xml:lang="en"><![CDATA[ Tops containing reeds that vibrate and hum when the tops spin. Found worldwide, they are sometimes intended as children's toys. ]]></note></mads>