Brian Imanuel Soewarno, known professionally as Rich Brian (formerly Rich Chigga), is an Indonesian rapper and singer. He is known for his viral debut single "Dat $tick", which was first released in March 2016 on SoundCloud. The single was later certified gold by RIAA. His debut studio album, Amen, was released in 2018 and peaked at number 18 on the US Billboard 200, making Brian the second Southeast Asian artist to be on the top 20 Billboard 200 after Filipino singer Jake Zyrus. Brian's second studio album, The Sailor, was released in 2019. He released an EP titled 1999 in 2020. He released another EP titled Brightside in January 2022. Brian has collaborated with many artists from China and South Korea such as Chungha, Keith Ape, Jackson Wang, and Jae Park.