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When I was younger, I took a few years worth of piano lessons. I have forgotten most of my technique, but I can still play a few songs from pure memorization. Granted, I was little so nothing too advanced. I want to get back into it. I'm struggling because I've found that there's no music as my level. Everything is either too easy or too hard. For example, I learned Sweden, from Minecraft within a few hours, but I'm very much so struggling with One Summer's Day from Spirited Away. I'm aware they are a bit separated in difficulty, but I can't find anything in between. So here's what the question boils down to. A. Is it better to spend less time on many easier songs or more time on a few hard songs? and B. Is there a good book that slightly works up between pieces so I can incrementally build my skills? Thanks in advance.