Sapna Sitopu is a lecturer in Vocal Studies at the Department of Ethnomusicology, Faculty of Cultural Sciences, Universitas Sumatera Utara (USU). In her daily professional activities, she teaches vocal performance and music courses while actively performing as a singer in both academic and community settings. Through her roles as an educator and performer, she contributes to the development and promotion of vocal arts, fostering students' artistic skills and encouraging greater appreciation of music within the wider community.