1. Listen 2. Listen 3. Listen some more 4. Listen 5. Keep listening 6. Listen even more 7. Listen
I originally learned this back in October for my dad's funeral, since then it's been gradually improved. I saw the studio 'scratch musicians' (https://scratch.mit.edu/studios/1067578/) and thought why not make a scratch project for it? Video with moving hands: https://scratch.mit.edu/discuss/youtube/hr57xiMU_mc/