Umbrella is a book.
Umbrella Games LLC ( stylized as umbrella ) is an American independent video game developer and publisher founded in March 2015 , which commonly develops mobile iOS and Android games . Umbrella (song) . `` Umbrella '' is a pop and R&B song with hip-hop and rock touches referring to a romantic and platonic relationship and the strength of that relationship . The song serves as the lead single to the album , and was released worldwide on March 29 , 2007 through Def Jam Recordings . In the United Kingdom , where the song 's chart performance generated controversy when the country was experiencing excessive flooding and large amounts of rain at the time , it was one of the most played songs on radio in the 2000s ( decade ) .