1. NOTES
The raw material of music, notes are the building blocks from which all chords and melodies are created. Each note has a duration and a pitch. In the piano roll, the length of each note event in the display directly relates to its duration, while the pitch is represented by its vertical position. In Western music, there are a total of twelve notes per octave, named A, A# , B, C, C# , D, D# , E, F, F# , G and G# . The sharp notes, or ‘accidentals’, fall on the black keys, while the regular or ‘natural’ notes fall on the white keys. As well as sharps, the black keys can also be flats – i.e. Bb , Db , Eb , Gb , and Ab…