Solar

Solar (솔라), born Kim Yong-sun, remains one of K-pop's clearest proof points that raw vocal control still scales. As the leader and main vocalist of MAMAMOO, she helped define a group identity built on live power, wit, and tonal precision rather than formula. That foundation is why her solo work lands with more weight than side-project filler. Solar already had the voice. The solo lane gave her a sharper frame for it.

She debuted with MAMAMOO under RBW on June 18, 2014, then launched her solo career with Spit It Out on April 23, 2020. Since then she has expanded the brief instead of repeating herself, moving from the theatrical swing of 容 : FACE to the brighter pop-color reset of COLOURS in 2024 while keeping variety, performance, and fan-community reach moving through her official homepage and the long-running Solarsido content universe.

Her recent run has stayed outward-looking. In 2025 she linked with 9m88 for Floating Free, then opened 2026 with Accusefive on Your Own Star, a cross-market ballad that kept her connected to a wider Asian pop conversation without diluting the core MAMAMOO identity. Solar's value in 2026 is not nostalgia. It is durability: a singer with elite technique, a defined personality, and enough range to keep every release from feeling interchangeable.