<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">omnitonic horns</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31448202</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 21:00:42</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">omnitonic horn</dcterms:alternative> <dcterms:alternative xml:lang="en">cors omnitoniques</dcterms:alternative> <dcterms:alternative xml:lang="en">horns, omnitonic</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Chromatic horns developed in the 19th century, incorporating several different lengths of tubing in the form of fixed crooks and various devices such as plungers, sliding shutters, and valves to bring any desired tube length into play. ]]></dc:description></metadata>