<?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">8-track cartridges</topic></authority><related type="other"><topic>eight-track players</topic></related><related type="broader"><topic>audiotapes</topic></related><variant type="other"><topic>8-track</topic></variant><variant type="other"><topic>8-track cartridge</topic></variant><variant type="other"><topic>8-track tapes</topic></variant><variant type="other"><topic>eight-track tape</topic></variant><variant type="other"><topic>eight-track tapes</topic></variant><variant type="other"><topic>stereo-8</topic></variant> <note xml:lang="en"><![CDATA[ Cartridge-based 1/4-inch analog audiotape format. The 8-track cartridge is a magnetic tape-based recorded sound format that was used exclusively for commercial releases. The tape is composed of magnetic particles or pigment, binder, and a polyester base. It was a popular format from the mid-1960s through the early 1980s. ]]></note></mads>