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→The Chromatic Scale
== The Chromatic Scale ==
The chromatic scale, or 12 tone scale, is basically made by dividing the frequency range that is covered by an octave into 12 equal pieces (on a logarithmic scale). Each dividing point is a note on the scale. Since the octave note already occurs as the root note, we are left with 12 distinct note values (A, A#, B, C, C#, D, D#, E, F, F#, G, G#). '''Notice that there is no B# or E#'''. This has nothing to do with frequency - it is a convention in note naming. E - F spans the same frequency range as A - A#.
{|class="wikitable"
! Note Name
| A2 || A#2|| B2|| C3|| C#3|| D3|| D#3|| E3|| F3|| F#3|| G3|| G#3 || A3
|-
! Frequency in HZ
| 110.000 || 116.541|| 123.471|| 130.813|| 138.591|| 146.832|| 155.563|| 164.814|| 174.614|| 184.997|| 195.998|| 207.652||220.000
|}
== Semi-tones and Whole-tones ==