Hidden in the "Alt" text of images, meta descriptions, or title tags of websites trying to lure users looking for free music converters.
In the "junk" section at the bottom of blog posts or forums to increase the site's "relevance" for those specific keywords. The Risks of Such Sites convert-youtube-to-mp3-music-for-free-full-version-download
Many artists offer "pay what you want" or free downloads for their tracks. Hidden in the "Alt" text of images, meta