1. Cello Suites: A set of six suites for solo cello, composed between 1717 and 1723. These suites are considered some of the most demanding and technically challenging pieces in the cello repertoire.
2. Brandenburg Concertos: A set of six concertos written for various combinations of instruments, composed around 1721. The concertos are named after Christian Ludwig, Margrave of Brandenburg, to whom they were dedicated.
3. The Well-Tempered Clavier (Books I and II): A collection of 48 preludes and fugues in all 24 major and minor keys, composed in 1722 and published in 1744. The Well-Tempered Clavier is a pedagogical work demonstrating the possibilities of equal temperament tuning and is considered a milestone in keyboard music.
4. Goldberg Variations: A set of 30 variations on a simple theme, composed around 1741-1742. The work was originally written for harpsichord but is often performed on piano.
5. Six Partitas: A set of six keyboard suites composed between 1725 and 1730, each consisting of several dance movements.
6. French Suites: A set of six keyboard suites composed in the style of French court music, written around 1725.
7. English Suites: A set of six keyboard suites composed in the style of English court music, written around 1717.
8. Inventions and Sinfonias: Two collections of short keyboard pieces composed between 1720 and 1723, primarily for pedagogical purposes.
9. Orgelbüchlein (Little Organ Book): A collection of 46 short organ chorales composed between 1717 and 1718.
10. Mass in B Minor: One of Bach's most famous and monumental compositions, the Mass in B Minor is a large-scale choral work, composed between 1733 and 1749, incorporating diverse musical forms such as fugues, arias and chorales.
These compositions represent only a small fraction of Bach's vast output, which also includes numerous other instrumental works, cantatas, motets, passions and secular vocal pieces. Bach's works continue to be admired and performed worldwide for their exceptional musical quality, technical mastery, and profound emotional expression.