[1] Unlike his earlier piano concerti, which closely followed the model of Mozart's, it is written in a proto-Romantic style that anticipates the later stylistic developments of composers such as Frédéric Chopin, Franz Liszt and Felix Mendelssohn.
[3] The concerto is scored for piano, flute, two oboes, 2 clarinets, 2 bassoons, 2 horns, 2 trumpets, timpani, and strings.
[4] Musicologist Mark Kroll has suggested that Chopin's piano concerti in general were influenced by those of Hummel.
[5] The A minor concerto da camera of Charles-Valentin Alkan has also been noted for its debt to Hummel's style of writing for the keyboard.
[9] And in his own A minor concerto, Schumann makes reference to aspects of Hummel's virtuosic style.