Theodorus Josephus Jan Nabuurs (born 14 February 1965), better known by his stage name Mental Theo is a Dutch record producer and DJ.

[3] In 2006 Mental Theo re-recorded "Boten Anna" by Basshunter and it was released under the name "Now You're Gone" and alias Bazzheadz.

[10] The single charted at number 1 in the United Kingdom, where it stayed at the top for five weeks.

[11] It was the first Swedish song at number one on British list since "Dancing Queen" by ABBA.

[7] It sold an excess 667,000 copies in the United Kingdom[12] and was certified platinum.