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Has anyone else come across random changes in saved midi parts?

For instance, in a B7 chord piano part with B as the bass note, the bass note is often changed to a D#. But this isn't the worst case. Sometimes a chord will be completly re-written to random notes. (eg a C chord of CEG, will become something like D G# F.) Or a note on beat one will be moved to beat 2, while the other notes remain in their right place.

I could understand this could be accidental user error if all the notes in a midi part were altered, but it isn't - it just occurs in random bars.

Any thoughts?

Intel i5-7200U CPU @ 2.50GHz 2.70 GHz, inbuilt graphics, Installed RAM 12.0 GB, Windows 10 64-bit operating system, x64-based processor, inbuilt graphics, dual monitors

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Studio One Professional v6.5.1 build 96553 (Win x64)
NI Komplete 13 Select
In all my years using MIDI in SO I've never come across this.

The only thing I can think off right of the bat, might be that you are using cloned MIDI events? Any changes in the source would be reflected in all copies.

Or perhaps some MIDI events were selected while transposing?

Other than that I have no clue.. perhaps you could provide the steps to reproduce this - then I could check it on my end as well.

Studio One Professional 6.1.1 | 64bit Melodyne Assistant 5.2.0.006

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by PreAl on Mon Aug 01, 2022 4:28 pm
Latest studio one version?
May be a good idea to update your signature with your specs..thx.

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by martinhughes on Tue Aug 02, 2022 2:15 am
Yeah, odd isn't it? I haven't intentionally done any transposing as such. This has been my process as I can best recall:
After laying down a basic audio track of guitar, I made a chord track and created a simple midi bass track t using follow. I then played a midi piano part on a separate track not linked to follow. I then edited the midi of this track manually.Using the arranger track, I then duplicated some verses (ie all tracks) to extend the song. These were complete copies, not ghosts.

I played everything back and it sounded fine. Saved it, then when I opened the song up the following day the random & wrong notes had appeared. I corrected the wrong notes, but the problem continues to appear, though I don't know if the wrong notes are the same wrong notes that I'd already corrected. The problems always occur on the piano track.

My feeling is that something is/has gone wrong when moving parts of the arrangement about (And as I reduced the buffer size for playing maybe this has a bearing?). I have noticed elsewhere that sometimes the arranger track doesn't seem to grab the chord track properly, but since the piano part isn't linked to follow the chord track, I don't think this should affect it anyhow.

Honestly, I'm completely stumped! Grateful for any pointers you may have. I'm sure I'm doing something foolish along the line, but I don't know what!

PS - should hopefully have saved the specs now too!

Intel i5-7200U CPU @ 2.50GHz 2.70 GHz, inbuilt graphics, Installed RAM 12.0 GB, Windows 10 64-bit operating system, x64-based processor, inbuilt graphics, dual monitors

Behringer UMC 1820 interface, Komplete M32 controller, Yamaha FP10, Rode NT1A, Zoom R16

Studio One Professional v6.5.1 build 96553 (Win x64)
NI Komplete 13 Select
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by jazzundso on Tue Aug 02, 2022 6:49 am
We've never seen this. Is there a way to reproduce these issues reliably?

Lukas Ruschitzka
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by ryanm1 on Tue Aug 02, 2022 8:21 am
Midi has always been wonky in Studio One. I won't do anything midi in S1, I use Ableton and Maschine and bounce out WAV stems for vocal recording, mixing and mastering in S1. Probably because they don't truly have midi, they have their own note data engine that they "convert" into midi.
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by martinhughes on Tue Aug 02, 2022 8:37 am
As I don't know exactly what's causing it, I don't know how to. I'm going to keep saving lots of versions to see if I can track down exactly when it occurs. Is there a way of logging everything I do or somehow stopping the Undo history from clearing when I close the program?

Out of interest, I've (hopefully) attached a couple of screenshots that show the problem. These are taken within two consecutive version of the song and to the best of my knowledge I had not been working on this section at all.

Attachments
midi wrong notes.jpg
Top shows original, bottom with unforseen changes in the G-B7 section

Intel i5-7200U CPU @ 2.50GHz 2.70 GHz, inbuilt graphics, Installed RAM 12.0 GB, Windows 10 64-bit operating system, x64-based processor, inbuilt graphics, dual monitors

Behringer UMC 1820 interface, Komplete M32 controller, Yamaha FP10, Rode NT1A, Zoom R16

Studio One Professional v6.5.1 build 96553 (Win x64)
NI Komplete 13 Select
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by jazzundso on Tue Aug 02, 2022 8:49 am
ryanm1 wroteMidi has always been wonky in Studio One.

Wonky? :) Where did you hear this? More facts and details instead of myths please ;)

ryanm1 wroteProbably because they don't truly have midi, they have their own note data engine that they "convert" into midi.

Another half truth. Of course, Studio One "truly" has MIDI. Note data is internally stored in a custom format with a higher resolution than possible with plain MIDI files - but that's pretty common and other DAWs to this as well. It does not have anything to do with not having MIDI ;)

Lukas Ruschitzka
Studio One Specialist
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Core i7 3.24 GHz, Windows 10, 24 GB RAM, RME HDSP 9632, PreSonus FaderPort, PreSonus Monitorstation, PreSonus Eris 5

Clavia Nord Stage 3 - Moog Sub 37 - YAMAHA MoXF6 - M-Audio Axiom Pro 61 - Kawai ES-920 - Studio One 5 - Notion 6 - Orchestral Tools Junkie XL Horns, ProjectSAM Symphobia, Cinematic Studio Series, Strezov Sampling Afflatus, VSL Synchron Special Edition, KOMPLETE 9 Ultimate
Open a support ticket. Thats all I can say.. this doesnt look like anything I've ever seen or heard of.

And do post the conclusion of support here - I am interested to hear what it was.

Studio One Professional 6.1.1 | 64bit Melodyne Assistant 5.2.0.006

Faderport 8 | Focusrite Scarlett 2i2 3rd gen
Studiologic SL88 Grand | Yamaha YDP-163 | Yamaha HS8 & HS8S | Austrian Audio Hi-X65 | Beyerdynamic DT770 PRO

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by jazzundso on Mon Aug 08, 2022 7:26 am
Do you have Chord Follow activated for that track? And you didn't use the "Apply Scale" command for this instrument part...?

bastiaanmarcscholtemeijer wroteOpen a support ticket. Thats all I can say.. this doesnt look like anything I've ever seen or heard of.

Tech support can only help if there's any way to reproduce this issue. And if there's a repro, a support ticket isn't needed since we're already discussing this here.

Lukas Ruschitzka
Studio One Specialist
Advanced Studio One Tutorials || Free Studio One Scripts || Studio One Tutorial Database || Studio One Toolbox [ s1toolbox.com ]

Core i7 3.24 GHz, Windows 10, 24 GB RAM, RME HDSP 9632, PreSonus FaderPort, PreSonus Monitorstation, PreSonus Eris 5

Clavia Nord Stage 3 - Moog Sub 37 - YAMAHA MoXF6 - M-Audio Axiom Pro 61 - Kawai ES-920 - Studio One 5 - Notion 6 - Orchestral Tools Junkie XL Horns, ProjectSAM Symphobia, Cinematic Studio Series, Strezov Sampling Afflatus, VSL Synchron Special Edition, KOMPLETE 9 Ultimate

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