Romanus Weichlein (1652–1715) was a notable German composer and organist of the Baroque period. He primarily worked in the regions of Bavaria and was known for his contributions to sacred music, particularly in the Lutheran tradition. Weichlein's compositions often blended intricate counterpoint with expressive melodies, characteristic of the Baroque style. One of his notable works is the collection of chorale settings titled "Arien und Motetten," which showcases his skill in vocal writing and harmonization. He also composed numerous organ works, highlighting the instrument's capabilities within the liturgical context. His music reflects the spiritual fervor of the time and is marked by its lyrical quality and rich textures. While not as widely recognized as some of his contemporaries, Weichlein's work influenced the development of church music in southern Germany and contributed to the Baroque tradition's evolution. His approach to choral and organ music laid groundwork for future composers in the genre, and his compositions continue to be appreciated for their artistry and historical significance in the study of early German music.