The "Goldberg Variations" is a musical work composed by Johann Sebastian Bach in 1741. It consists of an aria followed by 30 variations, showcasing a range of styles and techniques. Originally written for harpsichord, it has been adapted for various instruments and ensembles over the years. The piece was named after Johann Gottlieb Goldberg, a harpsichordist who may have performed it for Count Hermann Karl von Keyserlingk, a patron of Bach. The "Goldberg Variations" are celebrated for their intricate counterpoint and emotional depth, making them a significant work in the classical music repertoire.