The best and most efficient way, in short: use RE2 to analyze keys in batch and verify with the built-in piano after the fact.

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Originally posted by basilisk The best and most efficient way, in short: use RE2 to analyze keys in batch and verify with the built-in piano after the fact.

How long should it take to process one track?

I'm running an 800mHz processor on this particular computer (I know, paaaaaaaaaainfully slow), and it just seems to hang, I'm not sure if it's still processing or what.

Need to go back to my dual core 2.4mHz beast at work.

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good rule of thumb is to listen to the lowest sounding note in the bassline of a track- that's usually the root note (though it's not always the case)

I generally feel the root note when I play it. when you have listened to enough music you know when you play a root or not.

sometimes it doesn't matter if there's few or no seventh or third notes

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Originally posted by nefardec I generally feel the root note when I play it. when you have listened to enough music you know when you play a root or not. sometimes it doesn't matter if there's few or no seventh or third notes

man, i agree completely with you. like i said (and you already know this) it's not always the case. sometimes the root note is the least played note in a composition.. props for having an ear though bro.

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Originally posted by Beat Blog How long should it take to process one track? I'm running an 800mHz processor on this particular computer (I know, paaaaaaaaaainfully slow), and it just seems to hang, I'm not sure if it's still processing or what. Need to go back to my dual core 2.4mHz beast at work.

Hmm, it might take a while--the key detection algorithm used by RE2 is quite CPU-intensive. I usually batch up a bunch and leave it running overnight when I have hundreds of tracks to key at a time.

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Originally posted by Beat Blog How long should it take to process one track? I'm running an 800mHz processor on this particular computer (I know, paaaaaaaaaainfully slow), and it just seems to hang, I'm not sure if it's still processing or what. Need to go back to my dual core 2.4mHz beast at work.

dont bother with software. its faster and easier to do it yourself. keying several tracks takes me less time than turning my computer on

as a general rule, in trance the root note is the bassline. find that, check its relative major or minor. if you cant tell for the life of you (still happens to me from time to time) go with minor.

programs might be all well and good but they dont really teach you anything. if you do indeed have a good ear it shouldnt take you very long at all. plus, i find it heaps of fun keying tracks, finding out how they work. challenging myself to learn the melody on the piano etc. fuck waiting minutes for a program to give me back a (possibly incorrect) analysis.

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seriously it takes less than 10 seconds to key a track by ear. if it takes you longer than that you're probably between two keys and you can just pick one because if both sound okay when you play scales over them they will sound right mixed under the assumption of either key


the best is when you just know the key before even playing a note because you can identify a chord or a a similar sound from another track. That's my preferred way to do it actually because often you'll find that the tracks that you can link this way sound really nice together. To me the key is only one part of it - you have to take into account the actual sounds in the mix to make something that really works.

would it not be possible to find keys from midi files of the tracks?

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if you can find midis of the tracks you're either a friend of the producer or you need to dig deeper for tracks

It's definately good to get in the habit of doing your keying by ear, mucking around with a keyboard and overlaying compatible chords etc. But Rapid Evolution is very useful for beginners who (think they) know nothing about music and don't want to be overwhelmed at the beginning. Once you've used RE2 and done some harmonically mixed sets the next step is to buy that midi keyboard and start learning. Nothing like a great night of mixing to get you enthusiastic about learning more.

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Originally posted by nefardec if you can find midis of the tracks you're either a friend of the producer or you need to dig deeper for tracks

Still doesn't answer my question

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Originally posted by b1_ It's definately good to get in the habit of doing your keying by ear, mucking around with a keyboard and overlaying compatible chords etc. But Rapid Evolution is very useful for beginners who (think they) know nothing about music and don't want to be overwhelmed at the beginning. Once you've used RE2 and done some harmonically mixed sets the next step is to buy that midi keyboard and start learning. Nothing like a great night of mixing to get you enthusiastic about learning more.

Didn't you start a thread yesterday about buying your first decks?

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