Christian Friedrich Ruppe (1783-1850) was a German composer and music theorist known primarily for his contributions to choral and organ music. He was a significant figure in the early Romantic period, and his works often reflect the emerging styles of the time, blending classical forms with more expressive and emotional elements. Ruppe's notable works include a variety of choral pieces, hymns, and organ compositions, many of which were published during his lifetime. His "Choralbuch" (Choral Book) is particularly recognized for its role in church music, providing congregations with accessible and engaging hymns. Ruppe was also influential in music education, contributing to the development of music theory and pedagogy in Germany. His writings helped disseminate practical knowledge about music composition and performance, impacting future generations of musicians and composers. Though not as widely known today as some of his contemporaries, Ruppe's contributions to church music and theoretical discourse played a significant role in shaping the practices of both sacred and secular music during the early 19th century, highlighting the transition towards a more expressive musical language.