<?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">calliopes</topic></authority><related type="other"><topic>music rolls</topic></related><related type="other"><topic>calliope whistles</topic></related><related type="broader"><topic>organs</topic></related><related type="broader"><topic>mechanical instruments</topic></related><variant type="other"><topic>calliope</topic></variant> <note xml:lang="en"><![CDATA[ Organs involving a set of graded whistles operated by steam or compressed air, played by means of a keyboard, pinned cylinder, or paper roll. Producing a great volume of sound, their typical use has been outdoors, such as at circuses, fairgrounds, and on steamboats. ]]></note></mads>