which was contributed by Elton John. In April 1996, Tennant's vocals were featured on two live recordings by the British group Suede that were released as b-sides to their single "Filmstar". One track was a cover of the Pet Shop Boys track "Rent", while the second was a duet with Suede singer Brett Anderson on the Suede song "Saturday Night". In 1992, his backing vocals featured prominently on the Boy George single The Crying Game and also on the Cicero single Love is Everywhere. Both of which reached the UK Top 40 Singles Chart. In 1989, he worked with Electronic, singing backing vocals on their first single "Getting Away with It" and taking lead vocals on the 1992 single "Disappointed". Along with Lowe, he wrote and appeared on the Electronic album track "The Patience of a Saint", on which he shared lead vocals with Bernard Sumner. Books One Hundred Lyrics and a Poem (2018) – a collection of Pet Shop Boys' lyrics and song-by-song commentaries. Personal life Tennant is gay, revealing his sexuality in a 1994 interview in Attitude magazine. Otherwise he remains quiet about his personal and romantic life, preferring to be a "man of mystery", as he states it. He maintains a house in London and another one in County Durham in the North East countryside. He and Lowe also have an apartment in Berlin. Tennant is a patron of the Elton John AIDS Foundation. In 1998, Tennant was named in a list of the biggest private financial donors to the Labour Party. However, in the 2005 general election he voted for the Liberal Democrats, citing disillusionment with Labour's ID card scheme. The Pet Shop Boys agreed to personal appeals by then-Mayor of London Boris Johnson and then-Prime Minister David Cameron, both prominent Conservative Party politicians, for the group to play at the "winners' parade" taking place shortly after the 2012 Summer Olympics closing ceremony. Enjoying the event's atmosphere and how their stage presence turned into a well-received performance, Tennant subsequently texted Cameron's staff pushing Cameron to use gay scientist Alan Turing's centenary year as impetus for the UK Government to formally pardon Turing. The formal pardon did, in fact, go through on 24 December 2013, with the related official paperwork signed by Queen Elizabeth II. Tennant has praised the group The Specials and singer-songwriter Elvis Costello, highlighting "Ghost Town" and "Shipbuilding" as protest songs successfully putting politics