Question: What are both Tony Hadley and Matt Barlow?

Context paragraphs:
Steamin' + Dreamin' 2: Cash Back: Steamin' + Dreamin' 2: Cash Back is a 2011 Irish independent comedy film, and the sequel to 2009's "".  The film was directed by Brendan Canty, who co-wrote the screenplay with Con Doyle, Conor Stanley, and Joe Kiely.  Doyle, Stanley and Kiely reprise their roles from the first film.  Like its predecessor, "Steamin' + Dreamin' 2: Cash Back" is a mockumentary following the fates of Cork rappers Grandmaster Cash and Dr. Feekinstein, and features appearances from Tony Hadley, The Rubberbandits, and Hardy Bucks among others.

Gary Kemp: Gary James Kemp (born 16 October 1959) is a British pop musician and actor who is the guitar player and chief songwriter for the 1980s new wave band Spandau Ballet.  His brother, Martin Kemp, plays bass guitar in the band.  Gary Kemp also provided backing vocals on many of the tracks to lead singer Tony Hadley.

Michael Casswell: Michael Casswell (18 June 1963 – 30 September 2016) was an English session guitarist who toured and recorded with numerous artists including Brian May, Joe Bonamassa, Steve Hackett, Wang Chung, Ronan Keating, Rose Royce, Cozy Powell, Tony Hadley, Go West, Dean Friedman, Limahl (Kajagoogoo), Rhinos Revenge Band, and Marcus Malone.

Spandau Ballet: Spandau Ballet are an English band formed in London in 1979.  The band were inspired by, and an integral part of, the electro movement.  They became one of the most successful groups to emerge during the New Romantic era.  The band's classic line-up features brothers Gary Kemp and Martin Kemp on guitars, vocalist Tony Hadley, saxophonist Steve Norman, and drummer John Keeble.

Julian Smith (saxophonist): Julian Smith (born 21 May 1969) is a British saxophonist and music teacher from Halesowen.  He is also known by his stage name Joolz Gianni.  He has made guest appearances alongside artists such as Tony Hadley (Spandau Ballet), Gwen Dickey (Rose Royce) and Hamish Stuart (Average White Band), and has performed on national television together with Chris Rea, M People, and Dina Carroll.  In 2003, he released a solo album, "Chilled 2 the Sax", which features Acker Bilk, Dina Carroll, and Ola Onabule.  Some of his tracks also appear in the multi-platinum selling "The Classic Chillout" album series from Sony Music.  Smith became better known after appearing on the third series of Britain's Got Talent in 2009 and finished in third place behind singer Susan Boyle and winning dance troupe Diversity.

Matt Barlow: Matthew Barlow (born March 10, 1970 in Biloxi, Mississippi, US) is an American heavy metal singer and police officer.  He is the lead singer for Ashes of Ares and former of Iced Earth and Pyramaze.  He is Jon Schaffer's brother-in-law.

Lost in Your Love (Tony Hadley song): "Lost in Your Love" is a 1992 song by Tony Hadley.  It was his first solo single since the disbanding of Spandau Ballet and spent 4 weeks in the UK charts reaching No.42

Tony Hadley: Anthony Patrick Hadley (born 2 June 1960) is an English pop singer-songwriter, occasional stage actor and radio presenter who first rose to fame in the 1980s as the lead singer of the new wave band Spandau Ballet.  Hadley is recognisable for his suave image, as well as his powerful blue-eyed soul voice, which has been described by AllMusic as a "dramatic warble".  He has also been characterised as a "top crooner" by the BBC.

Days of Purgatory: Days of Purgatory is an American heavy metal album by Iced Earth.  It is a collection of remixes and remakes from previous albums.  Most of the songs from the "Enter the Realm" EP, "Iced Earth", and "Night of the Stormrider" were re-sung by Matt Barlow, and on some of the songs the drums and bass were redone.  The 2-cd version also has rough mixes of several songs from "Burnt Offerings" with the opening to the title track re-recorded.  The album cover features artwork of the Chaos Comics character Purgatori.

Catherine Porter: Catherine Porter is an American singer, songwriter, and musician.  She is a former member of The Brian May Band and has appeared in several musicals and films.  To date, Porter has released one album of solo material, "Something Good", in 2002, and has also worked as a back-up singer for Queen, Tony Hadley, Edwin Starr, Kiki Dee, Paul Rodgers, Sam Moore, Mel B and Chaka Khan.

Supporting paragraphs: Tony Hadley Matt Barlow
Answer: singer