Have a look here, and if you still have doubts, come back:https://pianoforum.net/smf/index.php/topic,4713.msg44552.html#msg44552(how to master the waltz in Am)Scheme for learning this piece in 14 practice sessions: Session 1 – Bar 22 (add first beat of bar 23. This is the most difficult bar). Session 2 - Bars 1 – 6. Keep working on bar 22. etc etc Session 14 – Bars 1 – 57 (The whole piece)(if you can master the material in any one practice session in 20 minutes/day, we are talking 14 days to learn this piece, practising 20 – 30 minutes a day. However you may have to work on a practice session for several days before moving on to the next. In any case, by all means do more than one practice session a days, but do not linger on a practice session for more than 20 – 30 minutes).Anyone can learnthis piece if they approach it correctly. So, by all means persist, but do not persist on the wrong approach. Best wishes,Bernhard.