“Nun komm, der Heiden Heiland, BWV 659” is a chorale prelude composed by Johann Sebastian Bach. It is part of his larger collection of organ works, particularly those that involve chorale settings. The title translates to “Now come, Savior of the Gentiles” in English.
This chorale prelude is based on the hymn “Nun komm, der Heiden Heiland,” which is attributed to Martin Luther. The piece consists of a rich and elaborate setting of the chorale melody, showcasing Bach’s contrapuntal skills and harmonic inventiveness. The melody of the hymn is presented in a majestic and ornate manner, surrounded by intricate counterpoint and ornamentation.