It's probably just more accessible for most people to use a piano roll, since they don't have to read music. Personally, I've never found a music notation prog

It's probably just more accessible for most people to use a piano roll, since they don't have to read music. Personally, I've never found a music notation program that was as useful for composition as a pencil and staff paper. Obv after writing you're going to want to use music notation software for presentation. GarageBand supports entering notes. Try it and see how much simpler the piano roll is