On Your Side Sade?

"By Your Side" is a song by English band Sade from their fifth studio album, Lovers Rock. Written by Sade, and produced by Sade and Mike Pela, it was released as the album's lead single in the United States on 3 October 2000 and in the United Kingdom on 6 November 2000.

What is the theme of the song by your side?

In “By Your Side”, Sade promises never to leave her significant other but to always be present in every moment of his life, especially the low moments.

What Ost means?

Music. Original soundtrack. O.S.T., an alias of electronic musician Chris Douglas.