Question: Bob Geldof and Boy George, have which occupation in common?

Context paragraphs:
Queen live performances: The English rock band Queen was well known for its live musical acts.  Diverse musical catalogues, large sound systems, lighting rigs, innovative pyrotechnics and extravagant costumes often gave shows a theatrical nature.  Artists such as Bob Geldof, David Bowie, George Michael, Kurt Cobain (in his suicide note), and Robbie Williams have expressed admiration for lead singer Freddie Mercury's stage presence.

Tsunami Aid: Tsunami Aid: A Concert of Hope was a worldwide benefit held for the tsunami victims of the 2004 Indian Ocean earthquake.  It was broadcast on NBC and its affiliated networks of USA Network, Bravo, PAX, MSNBC, CNBC, Sci-Fi, Trio, Telemundo and other NBC Universal stations and was heard on any Clear Channel radio station.  The benefit was led by the actor George Clooney on January 15, 2005, and was similar to "" (set up after the September 11th, 2001 attacks).  Digital Media innovator Jay Samit enabled viewers to purchase digital downloads of the performances as a new way to raise money for the cause; including live recordings by Elton John, Madonna, Sheryl Crow, Eric Clapton and Roger Waters.  Taking a cue from Bob Geldof (the man who had organized the Live Aid concerts for African famine relief), it consisted of famous Hollywood entertainers and former American presidents George H.W. Bush and Bill Clinton.  It was two hours long with stories and entertainment from a huge array of Hollywood popstars notables that include Brad Pitt, Donald Trump, and much more.  It was estimated to raise at least five million dollars by the end of the broadcast.

Pixie Geldof: Little Pixie Geldof (born 17 September 1990) is an English model and singer.  She is the third daughter of Bob Geldof and Paula Yates.

The Vegetarians of Love: The Vegetarians of Love is the second solo studio album by Bob Geldof, released in July 1990.  'The Vegetarians of Love' was also the name of the band of musicians with whom Geldof recorded the album.  It includes Pete Briquette from Geldof's previous band, The Boomtown Rats, who also co-wrote one track.  Another notable co-writer was David A. Stewart of The Eurythmics.  The album was produced by Rupert Hine, who also played on it.

Do They Know It's Christmas?: "Do They Know It's Christmas?"  is a song written in 1984 by Bob Geldof and Midge Ure in reaction to television reports of the 1983–85 famine in Ethiopia.  It was first recorded in a single day on 25 November 1984 by Band Aid, a supergroup put together by Geldof and Ure and consisting mainly of the biggest British and Irish musical acts at the time.  The single was released in the United Kingdom on 3 December 1984 and aided by considerable publicity it entered the UK Singles Chart at number one and stayed there for five weeks, becoming the Christmas number one of 1984.  The record became the fastest selling single in UK chart history, selling a million copies in the first week alone and passing 3 million on the last day of 1984, on the way to becoming the biggest selling single of all time in the UK.  It held this title until 1997 when it was overtaken by Elton John's "Candle in the Wind 1997", released in tribute to Princess Diana following her death.  The original version of "Do They Know It's Christmas?"  has sold 3.8 million copies in the UK to date.

Boy George: Boy George (born George Alan O'Dowd; 14 June 1961) is an English singer, songwriter, DJ, fashion designer and photographer.  He is the lead singer of the Grammy and Brit Award-winning pop band Culture Club.  At the height of the band's fame, during the 1980s, they recorded global hit songs such as "Do You Really Want to Hurt Me", "Time (Clock of the Heart)" and "Karma Chameleon" and George is known for his soulful voice and androgynous appearance.  He was part of the English New Romantic movement which emerged in the late 1970s to the early 1980s.

Band Aid 30: Band Aid 30 is the 2014 incarnation of the charity supergroup Band Aid.  The group was announced on 10 November 2014 by Bob Geldof and Midge Ure, with Geldof stating that he took the step after the United Nations had contacted him, saying help was urgently needed to prevent the 2014 Ebola crisis in Western Africa spreading throughout the world.  As in previous incarnations, the group covered the track "Do They Know It's Christmas? ", written in 1984 by Geldof and Ure, this time to raise money towards the Ebola crisis in Western Africa.  The track has re-tweaked lyrics to reflect the current Ebola virus epidemic in West Africa with all proceeds going towards battling what Geldof described as a "particularly pernicious illness because it renders humans untouchable and that is sickening".

When Harvey Met Bob: When Harvey Met Bob is a 2010 television film, written by Joe Dunlop, dramatising the relationship between musician Bob Geldof and concert promoter Harvey Goldsmith as they organize the massive fundraising concert Live Aid in 1985.  Directed by Nicholas Renton, the film stars Domhnall Gleeson as Geldof and Ian Hart as Goldsmith.

How to Compose Popular Songs That Will Sell: How to Compose Popular Songs That Will Sell is the fifth solo studio album from Irish singer, Bob Geldof.  It was released on 12 October 2010.  "How to Compose Popular Songs That Will Sell" is Geldof's first album since 2001's "Sex, Age & Death", and marks his return to the Mercury Records label.  The album reached no. 89 on the UK Albums Chart in its week of entry on 13 February 2011.

Bob Geldof: Robert Frederick Zenon "Bob" Geldof, KBE (born 5 October 1951), is an Irish singer-songwriter, author, political activist and occasional actor.  He rose to prominence as the lead singer of the Irish rock band The Boomtown Rats in the late 1970s and early 1980s, alongside the punk rock movement.  The band had Number One hits with his compositions "Rat Trap" and "I Don't Like Mondays".  He co-wrote "Do They Know It's Christmas? ", one of the best-selling singles of all time, and starred in Pink Floyd's 1982 film "Pink Floyd – The Wall" as "Pink."

Supporting paragraphs: Bob Geldof Boy George
Answer: singer-songwriter