Roots of Gary Barlow

Raymond Edward O'Sullivan, known professionally as Gilbert O'Sullivan, is an Irish singer-songwriter who achieved his most significant success during the early 1970s with hits including "Alone Again (Naturally)", "Clair" and "Get Down". His songs are often marked by his distinctive percussive piano playing style and observational lyrics using word play.

Conor Paul Maynard is an English singer. Born and raised in Brighton, he signed a recording contract with Warner Music Group in 2011. Maynard rose to fame in 2012 when he was nominated for, and subsequently won, MTV's Brand New for 2012 award. His debut album, Contrast, was released in July 2012 and produced the successful single "Can't Say No". Maynard released his second and third albums, Covers and +11 Hours, in 2016 and 2023, respectively.

William "Holly" Johnson is an English singer, songwriter and artist. He is best known as lead vocalist of Frankie Goes to Hollywood, who achieved huge commercial success in the mid-1980s. Prior to that, in the late 1970s he was a bassist for the band Big in Japan. In 1989, Johnson's debut solo album, Blast, reached number one in the UK Albums Chart. Two singles from the album – "Love Train" and "Americanos" – reached the top 5 of the UK Singles Chart. In the 1990s, he also embarked on writing, painting, and printmaking careers.