MIXING
How to prepare tracks for online mixing: Give the mix a better start
We last reviewed this on January 15, 2026
A professional mix starts before the mixing engineer touches a fader. Clean edits, organized files and a clear rough mix let the engineer spend time improving the music instead of reconstructing the session.
This checklist explains how to prepare multitracks for online mixing while preserving the creative choices that make the production yours.
1. Finish the production and editing
Complete the composition, arrangement, sound selection and major editing decisions before export. Mixing can improve balance and presentation, but it should not begin while the structure is still changing.
Check vocal comps, timing edits, fades, crossfades, unwanted noises, clicks, clip boundaries and tuning. If you expect the mixing engineer to complete any of that work, identify it before booking so it can be included in the scope.
2. Organize and name every track
Use short, descriptive names that make sense outside your own session. “Kick,” “Bass Sub,” “Lead Vocal,” “Synth Arp” and “FX Rise” are more useful than default file names or plugin labels.
Remove unused tracks and clearly label doubles, harmonies, layers and alternate takes. Keep naming consistent and avoid characters that can create compatibility problems.
3. Understand multitracks vs stems
Multitracks are the individual recorded or produced elements, such as kick, snare, bass, synths, vocals and effects. Stems are grouped submixes, such as all drums or all background vocals combined into one file.
Individual multitracks usually give the mixing engineer more control. Stems may be appropriate when the session cannot be transferred another way or when an important internal balance must remain fixed. Confirm the preferred format before export.
4. Consolidate files from the same start point
Every exported track should begin from the same timeline position, even if the sound enters later. This allows all files to line up immediately when imported into a new session.
Include the full decay of reverbs, delays and sustained sounds. Do not cut the export at the final musical hit if the tail continues.
5. Check processing and effects
Keep processing that defines the sound
Sound-design effects, intentional distortion, amp simulation, creative filtering and rhythmic processing may be fundamental to the production. Keep them when removing them would change the identity of the part.
Remove temporary mix-bus loudness processing
If a limiter or clipper was added only to make the rough mix louder, export a clean version for mixing. Also include the loud rough mix as a reference if it communicates the intended impact.
Provide alternatives when unsure
When practical, provide a processed and clean version of an important track, label both clearly and explain which one represents the intended sound.
6. Export at the correct resolution
Export at the project's native sample rate and an appropriate high-resolution bit depth. Do not convert to a lossy format such as MP3 for mixing. Avoid clipping during export and do not normalize individual tracks unless specifically requested.
7. Print important virtual instruments and effects
Export software instruments, tempo-synced effects and any part that depends on unavailable plugins. Audio files provide a stable reference and reduce compatibility problems.
If project files are also supplied, do not assume the engineer owns the same plugins, versions or sample libraries.
8. Include a rough mix
The rough mix is one of the most useful files in the package. It shows intended balances, effects, transitions and production choices. It does not need to sound professional; it needs to represent your direction.
Listen to the rough after exporting to confirm that no important element is missing.
9. Choose useful reference tracks
Choose a small number of references that relate to the project. Explain whether each reference represents the low end, vocal position, width, energy, texture or overall finish you want to discuss.
Do not expect the mix to duplicate music created from different performances, arrangements and sounds. References establish context; they do not erase the identity of your production.
10. Prepare clear project notes
Your notes should identify priorities and non-negotiable creative decisions. Mention known problems, desired versions, language concerns, explicit content, release deadlines and any element that should not be changed.
Consolidate feedback and avoid sending a trail of conflicting messages from several decision-makers.
11. Package and deliver the files
- Create one clearly named project folder.
- Place multitracks in a dedicated folder.
- Include the rough mix and references separately.
- Add a text document with notes, tempo, sample rate and contact information.
- Compress the package when appropriate.
- Upload through the agreed transfer method.
- Open the shared link in a private browser window to confirm access.
Final online mixing checklist
- The production and edits are finished.
- Every track has a clear name.
- All files start at the same position.
- Reverb and delay tails are complete.
- Creative processing is printed or explained.
- Temporary loudness processing has been removed from the clean export.
- Files use the requested resolution and do not clip.
- The rough mix and relevant references are included.
- Notes and required alternate versions are clear.
- The download link works without requesting additional permission.
Give the mix a better starting point.
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