some people appreciate it. Now if we can only get the government to do the same thing." In 2007, Michael sent the £1,450,000 piano that John Lennon used to write "Imagine" around the United States on a "peace tour", displaying at places where notable acts of violence had taken place, such as Dallas' Dealey Plaza, where US President John F. Kennedy had been shot. He devoted his 2007 concert in Sofia, from his "Twenty Five Tour" to the Bulgarian nurses prosecuted in the HIV trial in Libya. On 17 June 2008, Michael said he was thrilled by California's legalisation of same-sex marriage, calling the move "way overdue". Philanthropy In November 1984, Michael joined other British and Irish pop stars of the era to form Band Aid, singing on the charity song "Do They Know It's Christmas?" for famine relief in Ethiopia. This single became the UK Christmas number one in December 1984, holding Michael's own song, "Last Christmas" by Wham!, at No. 2. "Do They Know It's Christmas?" sold 3.75 million copies in the UK and became the biggest selling single in UK chart history, a title it held until 1997 when it was overtaken by Elton John's "Candle in the Wind 1997", released in tribute to Princess Diana following her death (Michael attended Diana's funeral with Elton John). Michael donated the royalties from "Last Christmas" to Band Aid and subsequently sang with Elton John at Live Aid (the Band Aid charity concert) in 1985. In 1986, Michael took part in the Prince's Trust charity concert held at Wembley Arena, performing "Everytime You Go Away" alongside Paul Young. In 1988, Michael participated in the Nelson Mandela 70th Birthday Tribute at Wembley Stadium in London together with many other singers (such as Annie Lennox and Sting), performing "Sexual Healing". An LGBT rights campaigner and HIV/AIDS charity fundraiser, the proceeds from the 1991 single "Don't Let the Sun Go Down on Me" were divided among 10 different charities for children, AIDS and education. He was also a patron of the Elton John AIDS Foundation. Michael wore a red ribbon at the Freddie Mercury Tribute Concert at Wembley Stadium in April 1992. He was instrumental in bringing the compilation CD Red Hot + Dance to fruition, contributing three original songs, with the album featuring Seal and Madonna among others. In 2003, he paired up with Ronan Keating on the UK edition of the