Clara did Compose a few pieces and this is her Piano Concerto in A minor, Op. 7- Allegro Maestoso
All of Clara's compositions date up until 1853. Some of the things she composed like 29 songs, 3 partsongs, 4 pieces for piano and orchestra, 20 pieces for solo piano, and cadenzas(a solo put into a movement in a concero or other work, usually put at the end of a piece) for 3 piano concertos by Beethoven and Mozart. Some of her works are numberedup to Op. 23, there are others that have no Opus numbers.