What are these symbols “₋₁, ₋₂, ², ³” mean?

Symbols “₋₁, ₋₂, ², ³” after a certain note are indication if what octave does a certain note belongs. To understand these symbols clearly, let’s first define the words “note” and “octave”.

Note – In music, a note is a symbol denoting a musical sound. For example , in a piano instrument, all the black keys and white keys represents a note. Sharps and flat notes are the same in terms of sound, however,

Notice that note names e.g C,D,E,F,G,A,B, flats (b) and sharps (#) are repeated.

Octave – An octave is a type of musical interval, or the measure of the distance between two notes. Specifically, an octave is the distance between one note and another note with the same letter name. For example, let’s find the lower and higher octaves from middle “C” in the diagram below.

Please don’t teach these symbols to schools. They are used only for this website.

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