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Author Topic: Method to finding key a song is in  (Read 33129 times)

FarleyCZ

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Re: Method to finding key a song is in
« Reply #15 on: January 15, 2016, 08:55:57 pm »
...automatic detection. Where's the fun in that? :D No, but seriously, if whatever software you use can't crack it, you can "science the shit out of it". Load up frequency analyser (ideally with frequency-detection) and follow the lowest loudest sinewave. That's the fundamental of their bassline and usually chord is based upon it. If you read few of these notes, you can figure out chords and key of that song in few minutes by trial and error. Not so quick, kinda dessert-island method, but it works. :)
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Bertie South

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Re: Method to finding key a song is in
« Reply #16 on: January 15, 2016, 09:08:46 pm »
Quote from: FarleyCZ on January 15, 2016, 08:55:57 pm

...automatic detection. Where's the fun in that? :D No, but seriously, if whatever software you use can't crack it, you can "science the shit out of it". Load up frequency analyser (ideally with frequency-detection) and follow the lowest loudest sinewave. That's the fundamental of their bassline and usually chord is based upon it. If you read few of these notes, you can figure out chords and key of that song in few minutes by trial and error. Not so quick, kinda dessert-island method, but it works. :)

Not disagreeing with you, but to anybody wanting to use this as a substitute for learning how to do it yourself, I'd add that ear training/learning enough about music theory to be able to identify song keys would probably have a much better payoff in the long run.
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FarleyCZ

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Re: Method to finding key a song is in
« Reply #17 on: January 15, 2016, 10:53:32 pm »
Quote from: Bertie South on January 15, 2016, 09:08:46 pm
but to anybody wanting to use this as a substitute for learning how to do it yourself, I'd add that ear training/learning enough about music theory to be able to identify song keys would probably have a much better payoff in the long run.
That I have to agree with. I usually use it as a starting point to some "piano based discovery" which ends up being much quicker once you actually know how those scales look like. Especially when finding out key/chords of acoustic guitar pieces, this method is without any musical knowledge really wrong as (I believe) on the guitar some chords are played without the lowest note being the actuall root note of the chord.
« Last Edit: January 15, 2016, 10:57:15 pm by FarleyCZ »
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Kyte

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Re: Method to finding key a song is in
« Reply #18 on: January 17, 2016, 05:11:10 pm »
The software Keyfinder is really useful here, I used it for finding the key of all the tracks I had when I was DJ'ing and I'm pretty sure it's about 80-90% accurate.  I don't use it so much anymore now that I am producing as I tend to use a mixture of Ableton's built in spectrum analyzer to find the key of the peaks, my ear + keyboard or Melodyne.

 http://www.ibrahimshaath.co.uk/keyfinder/
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