Sampagne is a South Korean pop duo formed by Mystic Story, known for blending elements of pop and indie pop with contemporary ballad sensibilities. Debuting in the late 2010s, the pair gained attention for melodic, piano- and synth-driven arrangements and emotive vocal harmonies that emphasize lyrical clarity and romantic themes. Their work often features polished production and accessible song structures typical of mainstream Korean pop, while also incorporating softer, acoustic textures and understated electronic touches. Sampagne's music is characterized by a focus on vocal expression and melodic hooks suited to radio and streaming audiences.