Roots of Tokio Hotel

Rock Mafia is an American record production team, consisting of Tim James and Antonina Armato who have been active since the early 2000s. They have written and produced 38 top ten singles, and have sold over 50 million records worldwide. They have worked with artists such as Brit Smith, Eminem, Marshmello, Quavo, Diplo, Illenium, Zedd, Gwen Stefani, Young Thug, Tiesto, No Doubt, Wyclef Jean, Green Day, Mariah Carey, Justin Bieber, Hoku, Flo Rida, Ellie Goulding, Aura Dione, Tokio Hotel, Bebe Rexha, and Armin van Buuren. In the 2000s, they worked extensively with Disney stars signed to Hollywood Records, mainly Miley Cyrus, Vanessa Hudgens, Demi Lovato, and Selena Gomez.

Daði Freyr Pétursson, known professionally as Daði Freyr or simply Daði, is an Icelandic musician. As the frontman of Daði & Gagnamagnið, he was due to represent Iceland in the Eurovision Song Contest 2020 with the song "Think About Things", before the event was cancelled in response to the COVID-19 pandemic. Instead, he represented Iceland in the Eurovision Song Contest 2021 with the song "10 Years", finishing in fourth place.

Daði Freyr Pétursson, known professionally as Daði Freyr or simply Daði, is an Icelandic musician. As the frontman of Daði & Gagnamagnið, he was due to represent Iceland in the Eurovision Song Contest 2020 with the song "Think About Things", before the event was cancelled in response to the COVID-19 pandemic. Instead, he represented Iceland in the Eurovision Song Contest 2021 with the song "10 Years", finishing in fourth place.