Chopin Waltz in A minor No. 19 Op. posthumous, classissima, classissima.com, Frederic Chopin, piano instruction, piano lessons, Shirley Kirsten, Shirley Smith Kirsten, teaching piano, Uncategorized, wordpress, wordpress.com, you tubeThe joy of working on Chopin’s phrasing with an adult student (Waltz in A minor, No. 19, Op. Posth.) Videos November 13, 2012November 13, 2012 arioso7: Shirley Kirsten A teacher/student musical collaboration is a uniquely poetic experience..