Peder Losnegård, better known by his stage name Lido, is a Norwegian musician, record producer, singer, and songwriter. He produced "Same Drugs" and "Angels" on Chance the Rapper's Coloring Book. He is known for his extensive work with Halsey, executive producing her debut Badlands, as well as co-writing and producing several songs on Hopeless Fountain Kingdom and Manic. Lido has also notably produced for Ella Mai, Jaden Smith, Ariana Grande, Mariah Carey, A$AP Ferg, Smino, and BANKS, among others.

Ashley Nicolette Frangipane, known professionally as Halsey, is an American singer, songwriter and actress. Noted for her distinctive singing voice, she has received several awards including three Billboard Music Awards, a Billboard Women in Music Award, an American Music Award and nominations for three Grammy Awards. She was included on Time's annual list of the 100 most influential people in the world in 2020.