Motlop has been developing a career as a musician since 2020 under the name Marlon, and performed at WOMADelaide as half of a musical duo known as Mrln x Rkm (stylised in all caps).
[citation needed] Motlop debuted against Melbourne Football Club in round 21 of the 2008 AFL season, contributing six kicks and eight handballs to his team's 78-point win.
[citation needed] After a two-year stint in the WAFL, where Motlop played state representative football in 2013 against Victoria and registered 28 disposals, he went back to the SANFL where he continued his career at North Adelaide and went on to play 79 league games including representing South Australia in 2015, registering 24 disposals.
The duo,[3] as Mrln x Rkm,[5] opened for Midnight Oil and Vika and Linda at WOMADelaide in March 2021, along with other First Nations artists.
[8] Motlop has also performed at the Bass In the Grass Festival and the AFL's Sir Doug Nicholls Round in front of over 30,000 fans.
[citation needed] Motlop features on the 3% song "Blak Australia Policy" on their album, Kill the Dead.