Olivia has been a regular guest, first appearing on 21 January 2017 and most recently on 4 April 2020. Olivia has been played on NTS in shows including NTS x SONOS International Knockout, featured first on 29 June 2018. Songs played include Smoking Cage, Freak and Korsarz.

Olivia is the alias of Karolina Marut, a Polish producer.