What instruments did Bach compose and what pieces he compose?

Johann Sebastian Bach composed for a wide variety of instruments, including the clavier (harpsichord and clavichord), organ, violin, viola da gamba, cello, flute, oboe, bassoon, trumpet, and trombone. He also wrote for ensembles, including the orchestra, chamber ensembles, and vocal ensembles.

Here are some of Bach's most famous compositions for each instrument:

Clavier:

- The Well-Tempered Clavier (two sets of preludes and fugues in all 24 major and minor keys)

- Goldberg Variations

- French Suites

- English Suites

- Partitas

- Inventions and Sinfonias

Organ:

- Toccata and Fugue in D minor

- Prelude and Fugue in E-flat major

- Fantasia and Fugue in G minor

- Passacaglia and Fugue in C minor

- Chorale Preludes

Violin:

- Sonatas and Partitas for Solo Violin

- Double Violin Concerto

- Violin Concertos Nos. 1 and 2

Viola da gamba:

- Six Suites for Viola da Gamba

- Sonatas for Viola da Gamba and Harpsichord

Cello:

- Six Suites for Cello

- Cello Concertos Nos. 1 and 2

- Cello Suites

Flute:

- Flute Sonatas

- Flute Concertos

Oboe:

- Oboe Concertos

- Oboe Sonatas

Bassoon:

- Bassoon Concerto

- Bassoon Sonatas

Trumpet:

- Brandenburg Concerto No. 2

- Trumpet Concerto in D major

Trombone:

- Brandenburg Concerto No. 1

- Chorale Preludes with Trombones

Bach's compositions also include numerous vocal works, such as cantatas, motets, passions, and oratorios. Some of his most famous vocal works include:

- St. Matthew Passion

- St. John Passion

- Mass in B minor

- Magnificat

- Christmas Oratorio

- Easter Oratorio