Introduction

notes are named a to g in western music. But as we've been seeing, notes are more like numbers rather than letters. A is 27 point five, or 55, or an hundred, ten or 220, and so on. This group of numbers is a, a, hundred, 96, 392. Those are gs. And just like how the notes in themselves have names, the distances between knots, also known as intervals, also have names. We have already seen one interval, the space between one a and the next, or one c and the next. What was that called the octave? So the octave is an interval. And we called it an octave because