Whether a given note is deemed sharp or flat largely depends on the current scale or key. On the piano keyboard, two notes ...

Lots of MIDI recorders/players use the piano roll as a model for input — time scrolls off to the side, and a few illuminated pixels represent a note played. She’s using the pixels to paint ...

The addition of extra strings for each note brought new richness ... as opposed to plucked keyboard instrument. In the Mozart Museum in Salzburg, there's a piano by Anton Walter of Vienna.

A little bit of everything is included ...