Hidden in the "Alt" text of images, meta descriptions, or title tags of websites trying to lure users looking for free music converters.
"Full version download" buttons often trigger .exe or .dmg installers that contain PUPs (Potentially Unwanted Programs). convert-youtube-to-mp3-music-for-free-full-version-download
It is a string of high-traffic search terms designed to manipulate search engine rankings rather than provide meaningful content. You will typically find this exact string in the following types of low-quality web content: Hidden in the "Alt" text of images, meta