Peaceful Mind is a professional composer, arranger, and educator with over 25 years of musical experience. She holds a Master of Music (M.M.) degree in Classical Composition and has extensive training in Jazz Composition. As a versatile arranger and former ensemble director, Han Na specializes in creating well-crafted, performance-ready sheet music for various instrumentation—from piano solos to diverse chamber and mixed ensembles. Blending classical structural depth with rich jazz harmonies, her arrangements are meticulously tailored to be both musically expressive and accessible for performers of all levels. Through her published digital sheet music, she aims to bring fresh, elegant, and inspiring arrangements to musicians worldwide.