"Oxygène (Part IV)" (released in some countries under the title "Oxygène IV") is a 1977 single composed by the French electronic musician and composer Jean-Michel Jarre, from his third studio album Oxygène (1976). It is Jarre's most successful single, reaching number four on the UK Singles Chart and peaking in the top ten in the charts of several European countries. It also was used in the 2008 video game Grand Theft Auto IV, and in the BBC drama Micro Men.