Motley Crue - "Glitter" (lost Spanish version of song; 1997)
Motley Crue is a heavy metal band that formed in 1981 and consists of vocalist Vince Neil, guitarist Mick Mars, bassist Nikki Sixx, and drummer Tommy Lee. The band released an album in 1997 titled Generation Swine after vocalist Vince Neil rejoined the band following his separation. The album contains many songs, but the song "Glitter" has an interesting piece of trivia behind it.
In an interview conducted by Google Play, Vince Neil revealed that he had recorded a version of the song with Spanish lyrics instead of the original English lyrics. In the same interview, Neil also stated that he had no idea what happened to the recording. It is unknown if the Spanish version of the song will ever be found and released.