If anyone is interested in seeing Spaced Repetition applied in different areas besides language and vocabulary. I have a free website called Piano Gym that lets you do use spaced repetition with Piano and sheet music.
It's pretty spiffy, and I can go on at length about it. I have a video explaining it here:
I personally use Piano Gym and I've found it to be pretty helpful in getting you to a point of practice and reading sheet music. But there's always more work to do for some of my more ambitious features. However it's a free tool and I have to make my money at my job. So enhancements come out slow.
It's pretty spiffy, and I can go on at length about it. I have a video explaining it here:
https://www.youtube.com/watch?v=faxNDhOjlh4
And a long form interview explaining it here:
https://www.youtube.com/watch?v=WrDAC6ZYGHk
I personally use Piano Gym and I've found it to be pretty helpful in getting you to a point of practice and reading sheet music. But there's always more work to do for some of my more ambitious features. However it's a free tool and I have to make my money at my job. So enhancements come out slow.