High Quality Content by WIKIPEDIA articles! "Witches` Brew" is a song performed by British dance recording artist Katy B. It was produced by Benjamin Pettit, who also co-wrote the song with Katy B, Sam Frank and Geeneus, for her debut studio album On a Mission (2011). It was released as the album`s fifth single on August 28, 2011 through Columbia Records in association with Rinse. Musically, "Witches` Brew" is an electronic dance song with its production centered around the usage of synthesizers, and the lyrics speak of a luring in a lover using potions and spells.