She completed her only finished piano concerto in 1835, and played it first that year with the Leipzig Gewandhaus Orchestra, conducted by Felix Mendelssohn.
[1] In January 1833, at age 13, she began composing a Piano Concerto in A minor, completing in November a single-movement Konzertsatz that she orchestrated herself.
She again orchestrated the work herself, including undoing Robert's revisions of the original Konzertsatz, completing her new three-movement Piano Concerto on 1 September 1835, twelve days before her 16th birthday.
[3] The concerto is scored for piano solo, 2 flutes, 2 oboes, 2 clarinets in A, 2 bassoons, 2 horns in A, 2 trumpets in C, trombone, timpani in A & E, violins I & II, violas, cellos, and basses.
[1] In 2020, the Venezuelan-American pianist Gabriela Montero recorded the concerto together with Canada's National Arts Centre Orchestra conducted by Alexander Shelley as part of the first volume in the series Clara, Robert, Johannes.