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MUSIC THEORY - Lesson 7 - Tones and semitones

Andrew Milner

Campfire Attention Holder
  • Nov 11, 2019
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    andreilucianmoraru.com
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    So is there a tone-deaf joke here or are you gonna waste another opportunity?
    1. Topics of discussion
    2. Tones and semitones explained
    1. Topics of discussion

    In this tutorial, we are going to talk about tones and semitones. So, let's have some fun.

    2. Tones and semitones explained

    A semitone (also known as a half step) is the smallest measuring unit or interval used in classical Western music. Frequency wise, it is equal to a twelfth of an octave or half a tone, hence the name of the interval, half step.

    A tone (also known as a step) is composed of two semitones.

    A simpler definition for a semitone is the difference between two consecutive pitches (which may or may not be part of the same scale, as we'll talk about in a future tutorial).

    On a piano, this translates to the difference in pitch between playing a white key and a black key found next to each other on the keyboard (sometimes you will have two white keys next to each other but never two black keys). On a guitar, this translates to the difference between two consecutive frets located on the same string.

    So why are tones and semitones so important? We'll unravel this mystery tutorial by tutorial but for now, let's just say that they help us classify music intervals, scales, and chords (let's just say the difference between a major chord and a minor chord is one semitone, placed at the right note so to speak).

    Also, it's useful to understand these concepts when other musicians talk to each other about how a note is one semitone higher than another.

    And yeah, that's about it for this tutorial. In the next one, we will be applying these concepts when we talk about accidentals and a thing called enharmonic notes. See you then.