The concert focuses on Fantasia and Impromptu, including Baroque, classical, romantic and modern works. Bach's (JS Bach, 1685-1750) Chromatic Fantasia and Fugue in d minor, BWV 903 (BWV 903), in addition to including fantasy and fugue forms, in which Fantasia also incorporates the characteristics of baroque improvisation; Robert Schumann (Robert Schumann, 1810-1856)'s Fantasietücke, Op. 12 (Fantasietücke, Op. 12) consists of eight ditties, each Capitals have different personalities and titles, which shows that Schumann's understanding of the word "fantasy" is based on fictional worlds and characters as the starting point for creation; Alexander Scriabin (1872-1915)'s "G-sharp minor" "Sonata-Fantasy in g sharp minor" is Shi's early work. You can also see Chopin-influenced lyrical melodies, variable harmony, and phrases of different lengths, etc., which shows the youth Scriabin's yearning for the free, ever-changing quality of "fantasy"; Francis Poulenc (1899-1963)'s Improvisation No. 15 ) focuses on the expression of affection, lyrical melody, and freedom of tonality. The form of improvisation without any preset style has become the medium for him to express his music; The song, Op. 77 (Fantasie in g minor, Op. 77) ends, which combines the characteristics of fantasy, improvisation and variation, showing Beethoven's superb performance and creative ability.

The author's planning focuses on fantasy and improvisation. Each piece has a different style, but such different changes, free forms, and the characteristics of each composer's improvisation, the author believes that, to a certain extent, these Whether the free and eclectic music can better express the composer's own personal characteristics and creative style, the musician's performance strength and the improvement of musical instrument manufacturing to increase the expressive force, etc., and the creation of such a creative background. The author hopes to learn the beauty of changes and perform these songs more appropriately.