Guides
WolfCut Music in Alpha: What Creators Must Verify
- Written by
- Sonilo Team
- Published

Before trusting an Alpha editor with a soundtrack, prove the entire audio path on one disposable project. Import one track, place it, play it, change its level, export the video, and listen outside the editor.
That test matters more than an ambitious feature list. It also frames the current WolfCut music question, although the product now has a different name.
The official WolfCut URL now redirects to Concat's repository. Its README calls Concat “formerly WolfCut” and still labels the app Alpha. As of September 2, 2026, the latest listed pre-release was v0.2.0-alpha.16, published August 31.

What WolfCut, Now Concat, Publicly Confirms About Audio Today
Multi-Track Editing and Local Audio Processing
Concat describes itself as a local, open-source video editor with multi-track editing. The README also says its automatic captions run on the machine and the source audio does not leave it for that feature.
That wording supports local caption processing. It should not be stretched into a claim that every feature has no network activity, telemetry, download, or external dependency.
The current CHANGELOG says the engine handles preview and export rendering. It also records engine-side waveform decoding and fixes for timeline timecode, trimming, and autosave. These are useful foundations for audio work, but they do not document a finished soundtrack workflow.
Alpha Status and Fast-Moving Releases
Concat remains a pre-release Alpha. Its changelog says every green main build publishes the next Alpha automatically. That pace is useful for testing and risky for deadline work.
Record the exact build before evaluating audio. A control visible in one Alpha may move, change, or fail in the next. The official releases page is the right place to match a downloaded installer with its tag.

What Creators Must Verify Before Adding a Soundtrack
External Audio Import and Timeline Placement
Do not assume that multi-track editing proves the current build accepts your soundtrack format. In a throwaway project, verify that it imports the file, creates a usable audio item, and preserves the full duration.
Then place the start against a visible frame and reopen the project. Confirm that the audio remains linked and begins at the same point. If either test fails, stop before building a real edit around that Alpha.
Gain, Fades, Playback, and Final Export
Verify gain changes, fades, waveform display, normal playback, scrubbing, and the final rendered file separately. The reviewed public material does not clearly confirm a complete set of soundtrack controls in the current build.
The changelog confirms that preview and export use the engine's session. It does not guarantee that every imported track, adjustment, or operating system will produce the same result. A successful timeline preview is not enough; listen to the exported video in another player.

Choose a Safe Handoff for the Current Build
Use WolfCut Only When the Audio Path Is Verified
Continue in Concat only when the exact build passes the import-to-export test. Keep the soundtrack simple, preserve the original audio file, and save short test exports during the edit.
Alpha use makes the most sense for personal experiments and flexible projects. A client deadline is a poor place to discover that autosave recovery or an audio control behaves differently after an update.
Finish the Soundtrack in Another Editor When It Is Not
Move the audio finish elsewhere when import, timing, gain, fades, playback, or export fails. Export the cleanest stable picture reference Concat can produce, then complete the soundtrack in an editor whose audio path you have already verified.
Do not invent a workaround inside WolfCut or Concat simply to keep the project in one application. A clean handoff is safer than an undocumented button sequence that may vanish in the next Alpha.
How Sonilo Fits Outside the WolfCut Editor
Sonilo is an independent soundtrack tool, not a Concat feature or official integration. Its current product page says users can upload MP4 or MOV video, generate music matched to the video's timeline and length, and export separate music files.

That creates an upstream option when you have a stable reference cut. It does not solve an unverified import or export path inside Concat. If Concat cannot carry the generated track reliably, finish the mix in another tested editor.
Editorial note: Sonilo publishes this guide.
Upload only video you have permission to provide, especially client or unreleased footage. Sonilo's current plans attach different commercial-use conditions to generated output. Review the applicable licensing information and terms before release. This is general information, not legal advice.
FAQ
Does WolfCut collect project or media data while editing locally?
Concat says it runs on the user's machine, and it specifically says caption audio stays local. The reviewed pages do not clearly provide a complete telemetry or network-data inventory. Check the current build, dependencies, and any privacy notice before using confidential media.
Can a WolfCut project be backed up with all linked media?
The reviewed README and changelog do not clearly promise a packaged project with every linked file. Keep the project, source clips, soundtrack, fonts, and test exports together. Verify restoration on a second copy before treating it as a backup.
Does WolfCut support autosave recovery after an alpha crash?
The changelog lists timeline autosave fixes in v0.2.0-alpha.1, but that does not guarantee complete crash recovery. Test recovery with a disposable project on the exact build, and keep manual copies before major changes.
Which operating systems support the current WolfCut Alpha?
The current Concat README lists tested Windows and macOS builds plus Linux support. It warns that macOS binaries are unsigned. Check the assets attached to the exact release rather than assuming every build covers every platform.
Where should creators report a reproducible WolfCut audio bug?
Use the official Concat Issues page. Include the release tag, operating system, source format, exact actions, expected result, actual result, and a nonsensitive sample when possible. Search existing issues first to avoid splitting the same bug across reports.
Conclusion
The current Alpha question is not whether Concat mentions audio. It is whether your exact build can carry one soundtrack from import through an audible, synchronized export.
Run that small test before the real edit. If any link breaks, preserve the picture and move the audio finish to a tool you already trust. That is the sensible boundary for WolfCut—now Concat—while the Alpha is still moving quickly.


