ocr: 4 - - - a I MUSI - - - FHEOR - - Our western system ofmusic has evolved into patterns oft tones Tonality Play called scales. The term comes from the Latin word "scala" meaning "stairs". 1of19 As stairway IS a very good mental image to use when you think 6 about a scale in music. A scale iS - - - - really just an arrangement of Summary pitches that move in ascending or - descending order within the - contines ofa specific interval. Itis very much like climbing up and down a stairway. Click on play to hear a typical scale. Return
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