There is more than one artist with this name:
1) Karol Poziemski, a Polish rapper, co-founder of the SBM (SB Maffija) Label.
2) Kim Yong-sun (born February 21, 1991), better known by the mononym Solar, is a South Korean singer, songwriter and actress. She is known as the leader and main vocalist of South Korean girl group Mamamoo. She made her solo debut with the single "Spit it Out" on April 23, 2020.
3) Peruvian electronic (downtempo, experimental, post rock, indie).