World Cup | FIFA World Cup | World Trade Center | World Series | 2010 FIFA World Cup | World Bank | World Health Organization | Guinness World Records | 1978 FIFA World Cup | World Series of Poker | Allies of World War II | BBC World Service | ATP World Tour 250 series | World Heritage Site | World Boxing Association | World Boxing Council | 2006 FIFA World Cup | World Wide Web | As the World Turns | World Trade Organization | ATP World Tour 250 Series | World Rally Championship | World Intellectual Property Organization | World Economic Forum | Western world | Miss World | Rugby World Cup | World Meteorological Organization | World Championship | The Real World |
Later years have seen Tennant vocal coach and produce for a number of high profile clients such as The X Factor, The Voice UK, Jessie J (Alive), David Guetta (Nothing But The Beat), JLS (JLS, Outta This World, Jukebox, Evolution), The Saturdays (On Your Radar), Olly Murs (Olly Murs) and more.
He Co-wrote U Smile, "Stuck in the Moment" and "Kiss And Tell" for Justin Bieber, Solo for Iyaz and Outta this World for JLS.