A.E.I.O.U. is a Pop/R&B/Hip-Hop album released by a Polish group Sistars. It's their second studio album, it was released on September 26th, 2005. A.E.I.O.U. won the 2005 Fryderyk Award for Hip-Hop/R&B Album of the Year. It was also nominated in the Light Music category as the