Gottfried Vopelius (c. 1570–c. 1618) was a German composer and music theorist, primarily associated with the early Baroque period. He is best known for his contributions to the development of organ music and for his work in the realm of sacred music. Vopelius's most notable work is "Musicalische Ergotzung," published in 1600, which is a collection of organ pieces that reflects the transitional style between the late Renaissance and early Baroque. This collection includes chorale settings and variations, showcasing his skill in counterpoint and ornamentation. Vopelius's impact on music is significant as he helped bridge the gap between the polyphonic traditions of the Renaissance and the emerging stylistic elements of the Baroque. His compositions contributed to the evolution of organ music in Germany, influencing subsequent generations of composers. Furthermore, his theoretical writings provided insights into contemporary practices, making him an important figure in the musicological landscape of his time. While not as widely recognized today, Vopelius's contributions laid groundwork for the rich tapestry of Baroque music that followed.