"Umbrella" by Rihanna is a pop/R&B song released in 2007. The original key of the song is B-flat major. It was written by The-Dream, Christopher Stewart, and Jay-Z, who is also featured on the track. The song tells the story of someone offering their support and protection to another person during difficult times. An interesting fact about the song is that it almost didn't make it to Rihanna's album as it was initially pitched to Britney Spears. The melody of "Umbrella" is catchy and features a memorable chorus.