<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31395225</termId><termName>theremins</termName><termType>PT</termType><termNote><![CDATA[ Electronic instruments played by the performer's hand moving back and forth at different distances from an antenna rising vertically from the instrument; the pitch of the single tone produced varies with the distance of the hand from the antenna. ]]></termNote><termCreatedDate>2026-03-30 20:46:15</termCreatedDate><relation><relationType>UF</relationType><termId>31395226</termId><termName>aetherophones</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395227</termId><termName>aetherphon</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395228</termId><termName>termenvoks</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395229</termId><termName>theremin</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31355244</termId><termName>electronic instruments</termName><termType>PT</termType></relation></term>  </Zthes>