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Old 04-18-2012, 07:02 PM
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Sherry C Sherry C is offline
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Location: Bad Axe, MI, USA (The Tip of the Thumb of Michigan)
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Default Re: Wrong chords after export to midi

Hi folks,

Just as an fyi for anyone who was following this thread, here is the reply I made after having the original .mid file emailed to me.

Quote:
Hi,

Thanks for including the files. There is something going on "under the covers" so to speak that is causing the problem with the transposed .mid file, and it has to do with the inclusion of the Yamaha PSR chords in the original file. The "typical" MIDI format does not have a chord name field, and so when a .mid file is exported from our software, the transposed chord names are not saved in the file. Then, on re-opening the file, Composer tries to be helpful and displays the original Yamaha PSR chord names which are still present.

I will write up a recommendation that (if possible) when a transposition is made, it will force the PSR chords to change as well. Historically we've tried to avoid sort of "stepping on the toes" of any proprietary type of information in files, but this probably qualifies as an acceptable case for doing so.

In the meantime, the work around would be to do the transposition in the Yamaha so that the PSR chord names will be correct in all versions of the file.

Best Regards,
Sherry
The Yamaha-generated files contain additional information fields with chord names in them, which Composer tries to helpfully read. However, when using Composer's transposition feature, it does not "tread on toes" so to speak by overwriting the original Yamaha information. Therefore, the original (and incorrect-after-transposing) Yamaha chord names are left in the file.

For anyone else who may be using a Yamaha that embeds chord names in a .mid file, I hope this proves helpful until we can get an "inside" improvement for you.

Best to all,
Sherry
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