[2] He is known for his frequent collaborations with fellow West Coast artists YG and Mustard, and was signed to their labels: 4Hunnid and 10 Summers Records respectively.
RJMLrA then appeared on the songs; "Thank God (Interlude)" and "When I Was Gone" from YG's debut album, My Krazy Life (2014).
[4] At the beginning of 2015, RJMrLA collaborated with Choice to release a critically acclaimed mixtape, Rich Off Mackin.
He also contributed to the soundtrack for the NBA 2K16's video game by being featured in the original song "You Don't Want It" with frequent collaborator and 10 Summers Records founder DJ Mustard.
After a couple years with no projects released, RJMrLA dropped what he said was his first real album called On God in 2019.
In October 2022, RJMrLA dropped another album called Rodney Brown Jr., which featured guest appearances from prominent West Coast artists Roddy Ricch and Ty Dolla Sign.