Johann Ignaz Walter (1749–1819) was a significant German composer and organist of the Classical era. He is primarily known for his contributions to sacred music, particularly within the context of the Lutheran tradition. Walter was a prolific composer, and his works include numerous cantatas, oratorios, and hymns that exhibit the stylistic characteristics of the Classical period while also reflecting the influence of the Baroque. One of his notable works is the "Geistliche Lieder" (Spiritual Songs), a collection that highlights his ability to blend lyrical melodies with harmonically rich textures. Walter was also known for his contributions to the development of the choral repertoire in German-speaking regions, helping to shape the liturgical music of his time. His impact on music lies in his role as a bridge between the Baroque tradition and the emerging Classical style, influencing subsequent composers in the development of choral and sacred music. As an organist, he also contributed to the evolution of keyboard music, though his legacy is primarily recognized in vocal compositions. Walter's work played a crucial role in the evolution of choral music within the Protestant tradition, maintaining a lasting presence in the repertoire of church music.