The clip is catalogued on user soundboards as Teclado do Cauê Moura, linking it to Brazilian YouTuber Cauê Moura. It circulates mainly among Portuguese-speaking meme pages and WhatsApp audio collections, where short musical stings are traded as reactions. The 'Mystery Guitar Mano' name reflects how listeners hear it: a keyboard imitating a moody guitar lick. Because it is wordless and under ten seconds, it slots easily into edits, which is why it keeps appearing in Brazilian comedy videos and story posts.