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Music amplitude and frequency are determined by variations of sound waves. Learn more about amplitude and frequency in music theory from a professional musician in this free video.

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The chromatic scale is the division of an octave into twelve equal parts in accordance with western music theory. Learn more about the chromatic scale from a professional musician in this free video.

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The E note is located in several positions up and down the guitar fretboard. Learn more about navigating the fret board and music theory from a professional musician in this free video.

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Octaves can be learned on guitar by using different shapes when navigating the fret board. Learn more about music theory and octaves from a professional musician in this free video.