Wiktionary
be still my beating heart
vb. (alternative form of be still my heart English)
Wikipedia
Be Still My Beating Heart
"Be Still My Beating Heart" is a song by Sting, from his second studio album ...Nothing Like the Sun; released as the second single from the album. In 1989 the song was nominated for Song of the Year and Best Male Pop Vocal Performance.
Former Police band mate Andy Summers played guitar on the track. The song appeared in the 2000 film Dolphins; Sting also wrote the score for the film. The track has since appeared on The Best of Sting: Fields of Gold 1984-1994 compilation album among others.