"Tripping" was released on October 3, 2005 as the lead single for Robbie's sixth studio album Intensive Care (2005). Williams himself calls the song 'something like a mini gangster opera' and 'kind of cabaret act reggae'. The rolling rhythm of the song owes ,uch to the early work of The Clash. During the chorus Williams reaches an extremely high disco-like head voice. Lyrically the song is a bit darker than previous songs. It tells the tale of gangsters and how they 'don't kill their own and they all love their mothers'. "Tripping" topped the hitlists in Germany and Italy. In United Kingdom, the Netherlands, Norway, and Austria it reached no.2.