Sassy 009 is the recording outlet of Sunniva Lingård, a producer from Oslo, Norway. The name Sassy 009 comes from Lingård's SoundCloud username. After a stint as a trio, aided by Teodora Georgijevic and Johanna Scheie Orellana, Lingård returned to recording as a solo project. She's released three EPs: 2017's Do You Mind, 2019's Kill Sassy 009, and 2021's Heart Ego.