The "" (or sometimes "3 hours") versions are compilations designed for:
The piece uses "New Age" or modern romantic structures that did not exist during Chopin’s lifetime (1810–1849). chopin_spring_waltz_1_hours
Paul de Senneville , a French composer who wrote the piece in 1978. Original Title: Mariage d'amour (Marriage of Love). The "" (or sometimes "3 hours") versions are
Musical experts and enthusiasts often note that the piece does not fit Chopin’s style: chopin_spring_waltz_1_hours