Sir Elton Hercules John CH CBE (born Reginald Kenneth Dwight; 25 March 1947) is an English singer, songwriter, pianist, and composer. He has worked with lyricist Bernie Taupin since 1967; they have collaborated on more than 30 albums. John has sold more than 300 million records, making him one of the world's best-selling music artists. He has more than fifty Top 40 hits, as well as seven consecutive number-one albums in the United States, 58 Billboard Top 40 singles, 27 Top 10 singles, four of which peaked at number two and nine of which reached number one. His tribute single "Candle in the Wind 1997", rewritten in dedication to Diana, Princess of Wales, sold over 33 million copies worldwide and is the best-selling single in the history of the UK and US singles charts. He has also produced records and occasionally acted in films. John owned Watford F.C. from 1976 to 1987 and from 1997 to 2002, and is an honorary life president of the club.

Billie Eilish Pirate Baird O'Connell (born December 18, 2001) is an American singer and songwriter. Born and raised in Highland Park, Los Angeles, Eilish began singing at a young age. She gained media attention in 2016, when she uploaded the song "Ocean Eyes" on SoundCloud, subsequently released by Darkroom and Interscope Records. "Ocean Eyes" was written and produced by her brother Finneas, with whom she collaborates on music and live shows. Eilish's debut EP, Don't Smile at Me (2017), reached the top 15 in the US, UK, Canada and Australia.