In the Western music tradition, pitches are named after the first seven letters of the alphabet, A, B, C, D, E, F, and G.
D, (פה) E, (סול) F, (לה) ו G. (סי) אחרי זה, הסדר חוזר על עצמו: A, B, C, D, E, F, G,; A, B, C, D, E, F, G, וכך הלאה.