Cassia O'Reilly

Cassia O'Reilly (known professionally as Cosha and formerly known as Bonzai ) is an Irish singer-songwriter and music producer.

Background
O'Reilly was born in Indiana, United States, and raised in Ireland, between County Wicklow and Dublin. Her African-American descent mother was a singer and her Irish father was a drummer. She moved to London at age 17.

Career
O'Reilly has worked with Eg White, Mura Masa and Rostam and Justin Raisen and toured with Flume.

as lead artist

 * "I Did" (2016) (as Bonzai)
 * "I Feel Alright" (2017) (as Bonzai)
 * "Do You Wanna Dance" (2018) (as Cosha)
 * "Luv" (2018) (as Cosha)
 * "Flacko" (2018) (as Cosha)
 * "No Kink in the Wire" (2020) (as Cosha)
 * "Berlin Air" (2020) (as Cosha)
 * "Lapdance from Asia" (2021) (as Cosha, featuring Shygirl)
 * "Tighter" (2021) (as Cosha, featuring Coby Sey)
 * "Run the Track" (2021) (as Cosha)

as featured artist

 * "What If I Go?" (2016) (Mura Masa featuring Bonzai)
 * "Nuggets" (2017) (Mura Masa featuring Bonzai)
 * "Till the World Falls" (2018) (Nile Rodgers & Chic featuring Mura Masa, Cosha and Vic Mensa)
 * "Thicc" (2023) (Shygirl featuring Cosha)

Songwriting credits

 * "Porsche" (2017) (Charli XCX featuring MØ)