Its enharmonic equivalent, D-flat minor, having eight flats including the B, has a similar problem.

The scale degree chords of C-sharp minor are: There are only two known symphonies in the 18th century written in this key.

One of them is by Joseph Martin Kraus, who appears to have found the key difficult since he later rewrote it in C minor.

Notable examples are the second movement Adagio of Anton Bruckner's Symphony No.

Domenico Scarlatti wrote just two keyboard sonatas in C-sharp minor, K. 246 and K. 247.

Alkan composed the second movement (Adagio) for Concerto for Solo Piano in C-sharp minor.

Frédéric Chopin often wrote in this key: examples include the Fantaisie-Impromptu, Études Op.

17, Nikolai Rimsky-Korsakov's Piano Concerto, and others by Ferdinand Ries, Xaver Scharwenka, Amy Beach, Miriam Hyde and Issay Dobrowen.

Franz Berwald and Dimitri Shostakovich wrote violin concertos in C-sharp minor.

Jules Van Nuffel wrote his psalm setting In convertendo Dominus for choir and organ in C-sharp minor.