<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31395389</termId><termName>friction harps</termName><termType>PT</termType><termNote><![CDATA[ Instruments that produce sound by rubbing aluminum rods instead of plucking strings, and which can be played vertically or horizontally. An original version was invented by John Calhoun Deagan and called an “aluminum harp.”  ]]></termNote><termCreatedDate>2026-03-30 20:46:16</termCreatedDate><relation><relationType>UF</relationType><termId>31395390</termId><termName>aluminum harps</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395391</termId><termName>friction harp</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31355263</termId><termName>friction idiophones</termName><termType>PT</termType></relation></term>  </Zthes>