The Baseballs are a German rock and roll band founded in Berlin in 2007. They became popular with 1950s and 1960s style rock cover versions of modern hits such as "Umbrella" by Rihanna, "Crazy in Love" by Beyoncé, "Hot n Cold" by Katy Perry and "Call Me Maybe" by Carly Rae Jepsen. The band members are only credited by their nicknames. Their version of "Umbrella" was a hit in Germany, Spain, the Netherlands, Belgium, Finland, Iceland, Austria, Switzerland, Sweden and Norway.

"Umbrella" is a song by Barbadian singer Rihanna, released worldwide on March 29, 2007, through Def Jam Recordings as the lead single and opening track from her third studio album, Good Girl Gone Bad (2007). Its featured artist, American rapper Jay-Z, co-wrote the song with its producers Tricky Stewart and Kuk Harrell, with additional writing contributions coming from The-Dream.