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Detect Key is incorrect

Kisnou

New member
I just thought I'd bring this up. It's not the first time I use the detect key command on a midi event and it detects it wrongly.
Thankfully I do have some music theory knowledge to confirm what's right and what's wrong, but it should definitely be more accurate.
This below is a Bmin progression, yet the detect key think it's a Bmajor.
Screenshot 2025-09-26 160513.png

I've also encountered moments where the progression was a completely different key, and the 'detect key' command was wrong. I'm thinking of people approaching music production and wanting to use this command, only to find out later they were mislead to the wrong key. Sometimes it can also be a fast way to find the key of a midi progression we imported from an old project, or a samplepack.
I'm on the latest S1 version, hopefully I'm not alone in this!
 
Is this an Instrument Part?

And your master key sig in the transport bar IS B Major....

Just trying to figure out - what you are selecting when running this key command...

VP
 
Is this an Instrument Part?

And your master key sig in the transport bar IS B Major....

Just trying to figure out - what you are selecting when running this key command...

VP
Yes, it's an instrument part. I'm selecting the entire midi event, I just showed the progression in the screenshot.
And yes, my master key signature in the transport bar is Bmajor, that's exactly the point: it's what the 'detect key signature' command thinks the right key is. But the progression is clearly a Bminor.
 
Was the "master" key sig (in the transport) - completely blank before your key detect?

VP
 
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