"Stay" is a song by Italian singer Elisa, released on April 6, 2007 as the third single from her first greatest hits compilation album Soundtrack '96-'06. The song also served as the lead single from her the international version of the greatest hits album Caterpillar on 9 July 9, 2007.
The song, written and composed by Elisa with production by Corrado Rustici, focused on the theme of paternal love and the relationship between the singer and father.
In an interview with Grazia after her father's death in 2015, Elisa talked about her parents' divorce and her relationship with her him, which often flowed into the songs in her discography:
The music video was filmed by Marco Salom and Elisa in March 2007 in California exclusively for the Italian market. In June 2007 it was re-shot by Joe Tunmer in London for the international version of the video.