How Deep Is Your Love

The original key of the song "How Deep Is Your Love" by the Bee Gees is F# major. It was released in 1977 as a part of the soundtrack for the movie "Saturday Night Fever." The song was performed by the Bee Gees, a British-Australian band consisting of brothers Barry, Robin, and Maurice Gibb. Written by Barry Gibb, Robin Gibb, and Maurice Gibb, the track became a huge success, reaching the top of the charts in several countries. As a trivia, "How Deep Is Your Love" was nominated for an Academy Award for Best Original Song. The melody of the song is characterized by its lush harmonies, smooth vocals, and emotional lyrics, complemented by the iconic falsetto singing style that the Bee Gees were known for.