Lost Chopin waltz unearthed nearly 200 years after his death

A museum curator has discovered a previously unknown waltz written by Frédéric Chopin - the first time that a new piece of work by the famed Polish composer has been found in nearly 100 years. MORE: https://abc7.com/post/frederic-chopin-lost-music-unearthed-200-years-after-composers-death/15486086/