Franz Peter Schubert, born 31 January 1797 in Himmelpfortgrund, today part of Vienna’s Alsergrund district, and died 19 November 1828 in Vienna, was an Austrian composer. Franz Schubert
Frédéric François Chopin (Polish: Fryderyk Franciszek Chopin, sometimes Szopen; French pronunciation: [fʁedeʁik fʁɑ̃swa ʃɔpɛ̃]; Polish pronunciation: [frɨˈdɛrɨk fraɲˈt͡ɕiʂɛk ˈʂɔpɛn], older Swedish pronunciation: [ʂɔˈpɛŋ]), born 1 March 1810 in Żelazowa Wola in Poland, died 17 October 1849 in Paris, France, was a Polish composer, piano virtuoso, and piano teacher. Frédéric Chopin
Improvisation in music can take many different forms. The National Encyclopedia describes musical improvisation as “the term for the unforeseen, unplanned, and spontaneous elements in a musical performance,” and Encyclopædia Britannica loosely translated as “unprepared composing or free performance of a musical passage, usually in a way that conforms to certain stylistic norms but is independent of a specific musical text.”