his debut solo album Vom Bordstein bis zur Skyline in July 2003. The album again included several collaborations with Fler, and is considered a milestone of German hip hop. 2004–2005: Label forming, Electro Ghetto, CCN II and Staatsfeind Nr. 1 In summer 2004, Bushido left Aggro Berlin and signed with Urban/Universal. Together with DJ Ilan, he produced a remix of Rammstein's song "Amerika". Bushido's second studio album, titled Electro Ghetto, was released in October 2004. The album reached number six on the German charts and spawned three singles, "Electro Ghetto", "Nie wieder", and "Hoffnung stirbt zuletzt", all of which placed in the singles charts for several weeks. In April 2005, Bushido's second collaborative studio album, Carlo Cokxxx Nutten II, was released, once again under his alter ego "Sonny Black", but this time in partnership with Baba Saad instead of Fler. He followed this up with the release of his third studio album, titled Staatsfeind Nr. 1, in November 2005. 2006–2007: Von der Skyline zum Bordstein zurück and 7 On 1 September 2006, he released his fourth solo album, Von der Skyline zum Bordstein zurück (abbreviated as VDSZBZ). The second sampler, Vendetta – ersguterjunge Sampler Vol. 2, was released on 1 December 2006. In early 2007, Bushido founded the girl band Bisou featuring former candidates of the casting show Popstars. He also bought a mansion for himself and his mother in Berlin-Lichterfelde for €1,200,000 and spent an additional €800,000 to redecorate it. 2008–2009: Autobiography, Heavy Metal Payback and reunion with Fler In January 2008, it became known that Bushido and an unknown partner had founded a real estate business, which yielded a million Euros in the first ten months. Bushido released his autobiography Bushido on 8 September 2008, which reached number 1 on the bestseller list Der Spiegel. His eighth album, Heavy Metal Payback, was released on 10 October 2008. The music video for the single "Für immer jung" caused controversy when MTV stopped airing it after two days of heavy rotation. The main editorial office had decided that the feature with Czech musician Karel Gott did not fit the image of MTV. In a meeting with Bushido, the chief editors offered to air the video on their other music channel, VIVA. Bushido refused this, however, and later forbade MTV and VIVA from airing his videos because he couldn't reconcile this with his conscience. Bushido wrote in his forum on the