Question: Who co-wrote the song White Light with the English singer, songwriter and record producer who was a member of the musical duo Wham! in the 1980s?

Context paragraphs:
Aloe Blacc: Egbert Nathaniel Dawkins III (born January 7, 1979), known as Aloe Blacc ( ), is an American musician, singer, songwriter, record producer, actor, businessman and philanthropist.  He is best known for his singles "I Need a Dollar", "The Man", which topped the charts in the United Kingdom, and for writing and performing vocals on Avicii's "Wake Me Up", which topped the charts in 22 countries, including Australia and the United Kingdom.  Aside from his solo career, Blacc is also a member of musical duo Emanon, alongside American record producer Exile.

George Michael: Georgios Kyriacos Panayiotou (25 June 1963 – 25 December 2016), known professionally as George Michael, was an English singer, songwriter, record producer, and philanthropist who rose to fame as a member of the music duo Wham!  He was best known for his work in the 1980s and 1990s, including hit singles such as "Wake Me Up Before You Go-Go" and "Last Christmas", and albums such as "Faith" (1987) and "Listen Without Prejudice Vol.  1" (1990).

White Light (George Michael song): "White Light" is a song by English singer George Michael.  It was released to radio on 29 June 2012, in order to commemorate the 30-year anniversary since his first single (co-written by Andrew Ridgeley) entered the British charts in 1982.  The song was inspired by Michael's illness in late 2011 with pneumonia and the resulting near-death experiences.  The song received its debut live performance (alongside "Freedom! ' 90") at the 2012 Summer Olympics closing ceremony on 12 August 2012 and subsequently entered the UK Singles Chart at number 15.  This was his final original song released before his death in December 2016.  The song samples the BBC News theme tune.

Wham! discography: English musical duo Wham!  released three studio albums, two compilation albums, four video albums, thirteen music videos, and twelve singles.

Bittersweet White Light: Bittersweet White Light is the ninth studio album by American singer Cher.  The album was released in April 1973 by MCA.  It was the last solo Cher album to be produced by then-performing partner and husband Sonny Bono.  While many fans consider the album to be her best vocal performance, "Bittersweet White Light", composed mostly of covers of American pop standards, was Cher's first commercial failure of the 1970s.  It was Cher's first record released only by MCA, both in the UK and the US.

White Light (Groove Armada album): White Light is a full-length album released by the British electronic music duo Groove Armada in 2010.  It consists alternative versions of songs from their previous album, "Black Light", along with one new song entitled "1980".

Big Time (Whigfield song): "Big Time" is a song by Whigfield, and the single was released in July 1995, by X-Energy Records.  It peaked at #21 in the UK charts, giving her another big hit in that country.  For the British market Big Time was released as a double A-side single together with the song Last Christmas, a cover of the English duo Wham! .

Wham!: Wham!  was an English musical duo formed by members George Michael and Andrew Ridgeley in 1981.  They were briefly known in the United States as Wham!  UK due to a naming conflict with an American band.  Wham!  sold more than 28 million certified records worldwide from 1982 to 1986.

Last Christmas: "Last Christmas" is a song by English pop duo Wham! , released on Epic Records in 1984, on a double A-side with "Everything She Wants".  Originally written and produced by George Michael, it has been covered by many artists since its original release.

Andrew Ridgeley: Andrew John Ridgeley (born 26 January 1963) is an English singer, songwriter, and record producer.  He is best known for his work in the 1980s as a member of the musical duo Wham! .

Supporting paragraphs: White Light (George Michael song) Andrew Ridgeley
Answer: George Michael