In the piano roll, the length of each note ... from the previous pic now ‘harmonised’ - every chord contains alternate notes ...

one group of sixteen strings tuned to the scale of C (from middle C on a piano to the C two octaves above) plus four groups of four strings, each group tuned to a chord. The instrument is meant to be ...

A piano’s keyboard doesn’t make sense. If you want to want to play an F major chord, just hit an F, an A, and a C — all white keys, all in a row. If you want to play a B major chord ...

All the chords built on other notes in the scale of C are minor, except chord VII - the notes B – D – F, which is diminished. When a seventh is added to a chord this is known as a seventh chord.