This note is also known as pitch class, because it describes every occurrence of that note in any octave. Every accidental is described using the flat notation for consistency.

This type describes accidentals. Sometimes accidentals can be enharmonic, which means that they describe the same pitch: one example of this is A Sharp B Flat.

Returns the next note.

Returns the note transposed by a number of semitones.

Returns the distance in semitones between two notes.

Converts a note to String.

Converts a note to String. You can decide how to display accidentals.