"Sire" is a song written by Lady Gaga in 2012. Gaga sang it backstage of ArtRAVE: The ARTPOP Ball Tour on May 18, 2014 to fans. Gaga also sang it the previous year, in February 2013, to select fans who went backstage with her.
No recordings of the song are known to exist.
Background
Gaga said it was inspired by Michael Jackson.