Anna Heller plays the original composition by Jose-Daniel Martinez-Miranda “Fallen Petals Waltz”. The composer allowed himself to be influenced by Chopin (main theme) and by Debussy (second theme). Here is a link for music score, if you like to play it yourself. https://musescore.com/user/4075641/scores/5494422
This waltz was conceived after reading a poem written by the wife of the composer Arabella Martínez (Floranocturna) from her collection Fallen Petals; https://www.wattpad.com/story/179192197-fallen-p-e-t-a-l-s.