BOL4

BOL4 (Bolbbalgan4), also known as Blushing Youth, is a South Korean music act led by singer-songwriter Ahn Ji-young. Debuting in 2016 as a duo with former member Woo Ji-yoon, BOL4 became known for its bright melodies, heartfelt lyrics, and acoustic-driven pop sound. Since Woo's departure in 2020, Ahn has continued the project as a solo artist, releasing popular songs such as “Galaxy,” “Some,” and “Travel.”