I love my Remarkable 2 for sheet music. Just the right size for me, and easy to use the pen to annotate my scores. The scores all have to be PDF, but that seems to be what everyone uses anyway. Plus I'm a classical musician so lots of my music is on imslp as PDFs anyway...
I tried mine for this use case before but found it a little too hard to read without a bright lamp aimed directly at it from one side. The contrast is just a little lacking.
