Name the compositions by Mozart that are in key D minor?

The compositions by Mozart that are in key D minor include:

- Piano Concerto No. 20 in D Minor, K. 466

- Mass in C Minor, K. 427 (Requiem Mass)

- String Quartet No. 21 in D Minor, K. 421/417b

- Symphony No. 40 in G Minor, K. 550

- Fantasia in D Minor for Piano, K. 397

- Adagio in D Minor for Piano, K. 546

- Rondo in D Minor for Piano, K. 511