<?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">swell boxes</topic></authority><related type="other"><topic>reed organs</topic></related><related type="broader"><topic>swell components</topic></related><related type="broader"><topic>organs</topic></related><related type="broader"><topic>organ components</topic></related><variant type="other"><topic>boxes, swell</topic></variant><variant type="other"><topic>swell box</topic></variant><variant type="other"><topic>swell-boxes</topic></variant> <note xml:lang="en"><![CDATA[ Boxlike chambers within an organ or reed organ housing a set of pipes or reeds, and having on one side a movable lid, shutter, or set of shutters or slats that can be opened or closed to increase or diminish the tonal volume of the pipes or reeds within. ]]></note></mads>