Roots of Niall Horan

Maisie Hannah Peters is an English singer and songwriter. She began her professional career independently, releasing two singles, "Place We Were Made" and "Birthday". In 2018, she signed with Atlantic Records UK, with whom she released two EPs and the second series soundtrack to the British comedy series, Trying.

Samuel Holden Jaffe, known as Del Water Gap, is an American musician and record producer from Sharon, Connecticut, now based in Brooklyn, New York. He has released three studio albums with Mom + Pop Music.

Cari Elise Fletcher, known mononymously by her last name, is an American singer. Her breakthrough song "Undrunk", released in 2019, was her first single to chart on the U.S Billboard Hot 100. "Undrunk" was released on January 25, 2019, as the lead single of her second extended play (EP), You Ruined New York City for Me (2019).

Jonathan Percy Starker Saxe is a Canadian singer. The grandson of musician János Starker, he is best known for his 2019 single "If the World Was Ending", which peaked within the top 30 of both the Canadian Hot 100 and Billboard Hot 100.

James Christopher Needle, known professionally as Jamie Scott, is an English singer, songwriter and producer.