Heinrich Nikolaus Gerber (c. 1620–c. 1690) was a German composer and organist of the late Renaissance and early Baroque periods. He is best known for his contributions to sacred music, particularly in the realm of Lutheran church compositions. Gerber's most notable works include the "Musicalischer Seelen-Gemüth," a collection of sacred songs, and various choral settings that reflect the liturgical practices of his time. His music often features intricate counterpoint, characteristic of the period, and he was adept at blending traditional forms with emerging Baroque styles. While not as widely recognized as some of his contemporaries like Heinrich Schütz, Gerber's compositions played a significant role in the development of German sacred music. His works contributed to the transition from Renaissance polyphony to the more homophonic textures that would characterize later Baroque music. Gerber's influence is particularly noted in the context of Lutheran church music, where he helped shape the musical landscape that would support the Reformation's liturgical needs. His contributions, though somewhat overshadowed, are appreciated for their craftsmanship and historical significance in the evolution of sacred music in Germany.