For 10 points, name these dances in 3/4 time by the composer of the Revolutionary Etude.
One of these pieces by this composer is in A-flat major and opens with the right hand playing a trill on E-flat that lasts eight bars. A piece only posthumously grouped with these works bears the nickname "Sostenuto" and is in E-flat major. In the standard version of the ballet Les Sylphides, some of these pieces by this composer are the only ones in the keys of G-flat major, C-sharp minor, or E-flat major. The first of these pieces to be published is titled (*) "Grande brillante," and the "Farewell" one was dedicated to the composer's former fiancée Maria Wodzi´nska. The sight of a dog chasing its tail inspired one of these pieces titled "Minute." For 10 points, name these dances in 3/4 time by the composer of the Revolutionary Etude.
One of these pieces by this composer is in A-flat major and opens with the right hand playing a trill on E-flat that lasts eight bars.
waltzes by Frédéric Chopin [or waltzes by Frédéric François Chopin; or waltzes by Fryderyk Franciszek Chopin; prompt on partial answers]