How can I obtain musical scores for the songs that are built into my Roland piano?

What are the main features of the progressive hammer action keyboard used in Roland pianos?

I'm looking for a digital piano with a keyboard that feels similar to a grand piano. Can I get this type of keyboard feel in a Roland digital piano?

On a Roland digital piano, what changes when I switch the key touch between LIGHT and HEAVY?

What can I do when I connect a Roland piano to my computer?

What brand of grand piano was sampled for Roland's digital pianos?

My Roland piano has MIDI connectors, but it's not equipped with a USB port. What equipment do I need to use my piano to record MIDI into my USB-equipped computer?