I’m trying to program a song using note frequencies and when I look up the notes they are all major (like C which has a frequency of 261), but then in the music sheet there are major and minor notes and I don’t know the difference in Hz. I should also say I don’t know anything about music and I don’t really grasp the concept of chord and note and the difference between them.
In: Engineering
A note isn’t major or minor but the interval – or steps – between notes can be major or minor. And the designation of “major” or “minor” does not imply a frequency change.
The tricky part (to me) is that you can speak of minor or major intervals but also of minor or major chords. They’re related, of course but I think it’s easier to understand, for example, that
E MAJOR CHORD: E G# B
E MINOR CHORD: E G B
The second note in this chord shape is the third step in the scale. For a major chord you have the unaffected tone of the third note in the scale and for the minor you flatten the third a half step.
You should stop thinking of notes in terms of frequencies and instead spend time learning and understanding scales and how the notes in a particular scale relate to each other.
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