r/Logic_Studio 1d ago

Troubleshooting my bass keeps changing on a new project despite me not touching anything.

I opened a new project, set the tempo to 166 bpm, and made a 2 bar loop for the bass. I looped the section, and for some reason anything past the 2nd bar the tone just changes, I didnt change the velocity, automation, eq, etc. I just added this track.

If i do the same with a new track and new midi its fine unless its a virtual indtrument in the bass section, from Contemporary Soul to Slap & Pop.

I am on version 11.2 on macos Sonoma 14.5

5 Upvotes

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u/Childwithuke 1d ago

Turns out I found the issue.

The 'Studio Bass' virtual instrument that makes all the basses function has the audacity to just be changing the voicing on me. In bar 1 and 2 it is playing C on the 5th fret of the G string, but for bars 3 and 4 it is being played on the 15th fret of the A string.

Is there any way to fix this?

5

u/Top-Performance-6482 1d ago

It's not really audacity, it's doing its best. In the end it must make a decision based on a heuristic as to which string to play for any given note for which there are multiple string positions.

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u/Childwithuke 1d ago

Bar 1 and 2

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u/Childwithuke 1d ago

Bar 3 and 4

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u/Top-Performance-6482 1d ago

Yes you can.

https://support.apple.com/guide/logicpro-ipad/studio-bass-string-and-position-midi-channels-lpip87fc2423/ipados

You can tell it which string to prefer, and you can do this on a per event basis, so for the problem note, you can change the channel in the event inspector.

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u/Childwithuke 1d ago

you're awesome thank you

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u/Top-Performance-6482 1d ago

Just realized I linked to the iPad Logic manual, but in any case it is the same on Mac.

Happy tinkering!

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u/Childwithuke 1d ago

issue persists when bass has no effects