Brian Imanuel Soewarno (born 3 September 1999) known professionally as Rich Brian and formerly known as Rich Chigga, is an Indonesian rapper, singer, songwriter, and record producer. 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 February 2018, and peaked at number 18 on the US Billboard 200. Brian's second studio album, The Sailor, was released on 26 July 2019. He released an EP titled 1999 on 25 August 2020. Brian has collaborated with many artists from China and South Korea such as Kris Wu, Chungha, Keith Ape, Jackson Wang and Jae Park.