To be able to read music in Western Music Theory, musicians use a MUSICAL STAFF - a graphical device of 5 horizontal lines with 4 horizontal spaces between. We will learn how to label those a bit later … On your keyboard, you might notice that there are white and black keys - 12 distinct positions before the pattern repeats - and 12 is more than 7! The 7 white keys use the letter names A, B, C, D, E, F & G while the black keys use different names. These notes are related because an octave above a note is double the Hertz frequency. An OCTAVE is the relationship between a note and its same pitch one placement higher or lower on an instrument. The first letter and the 8th letter are the same because they are the same pitch in octaves. ![]() Notice that when we run out of the 7 letters, we repeat the first letter. Because the major scale in Western Music Theory only has 7 notes before notes start repeating, we only use 7 letters to label them: Each note has a name (represented by a letter of the alphabet) that helps the music reader understand what sound should come out of their instrument as well as understand the note’s relationship to other notes around it. The pitches used in Western Music Theory are labeled as NOTES. To learn more about the science of music, check out this page: Science of Music. All instruments (including singing voice) produce pitches which are tones of sound sustained at a consistent frequency and scientifically qualified by Hertz (vibrations per second). Now, we will look at the vertical dispersal of music which is referred to as PITCH. ![]() We spent our first lesson looking at the horizontal dispersal of music as a concept called RHYTHM (how sound and silence is measured out over time).
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