The multitracks are gone. The song isn't.

Music Splitter for Rescuing Old Band Recordings

Your old band's demo survives only as one stereo file, with the vocal buried and the drums too loud; split it into parts and give it the mix it never got. Many bands from years ago kept just the final bounce: a CD-R, an MP3 from a forum, a file on a dusty hard drive.

The session files are long gone, so the balance is stuck the way it was on the night. The music splitter on MusicCreator takes that one file and separates it into stems, such as vocals, drums, bass and others, so you can bring them into your editor and rebalance the song. Free credits come after a quick sign-up.

4-Stem and 6-Stem SplitMP3, WAV, FLAC and moreWorks on one stereo file
Man in his forties wearing headphones at a laptop, listening to an old band recording with a band photo and cassette case on the desk
Why it matters

Why a music splitter helps when the session files are lost

Without multitracks, an old recording can only be turned up, turned down or equalised as a whole. If the singer was too quiet on the night, that is how the song stays. A music splitter gives you separate parts to work with again, even though they were recorded together.

The result will not be identical to a real multitrack, but it is often enough to give a beloved song a second life. These are the recordings people bring to a music splitter most often.

Old demos

The CD-R era

Rough demos that only survive as a final bounce.

Live tapes

Gig recordings

Board or room recordings where one instrument swamps the rest.

Reunions

A new listen

Rebalanced versions to share when the band gets back together.

Tributes

Lost members

Bring a late bandmate's part forward in a song you made together.

musiccreator.ai/ai-stem-splitter
MusicCreator music splitter panel with Upload Music or From My Music, and Separation Mode options 4-Stem Split, 6-Stem Split and All Detected Stems marked AI Songs Only
The music splitter panel on musiccreator.ai.
The panel

How the music splitter handles an old file

Here is the short version. Upload the old recording from your device, choose a Separation Mode, and run the split. For band recordings, 4-Stem Split is the usual starting point, giving vocals, drums, bass and others.

If guitars or keys carried the song, 6-Stem Split adds guitar and piano tracks. All Detected Stems only works on songs made on MusicCreator, so it does not apply to an old demo.

Source
Upload Music or From My Music
Formats
MP3, WAV, OGG, M4A, AAC, FLAC, WMA
4-Stem Split
Vocals, drums, bass, others
6-Stem Split
Adds guitar and piano
All Detected Stems
Up to 12, AI songs only
At a glance

Music splitter modes for band recordings

Choosing the right mode depends on what was in the room when the song was recorded. The table below lines up the three Separation Modes on the music splitter panel with the tracks each one returns and how useful it tends to be for an old band file.

A four-piece rock band usually fits the first row; a band built around keys or several guitars will get more from the second. The third row is listed only so you know why it is not available for uploads.

Separation ModeTracks returnedFor an old band recording
4-Stem SplitVocals, drums, bass, othersStart here for most rock, punk and pop demos
6-Stem SplitVocals, drums, bass, guitar, piano, othersUse when guitar or keys need their own fader
All Detected StemsUp to 12 stemsNot for uploads: works on songs made on MusicCreator only
Step by step

From a dusty file to a rebalanced mix

Rescuing a recording with a music splitter is mostly about patience and listening. Start with the best copy you can find, because every generation of MP3 conversion makes the split harder for a music splitter. Then work through the steps below, keep the original file untouched, and compare your new balance against it often, so you improve the song without losing what made it special.

  1. Find the best copy

    A WAV or FLAC from the original CD beats an MP3 shared later.

  2. Split it

    Upload the file to the music splitter and run 4-Stem or 6-Stem Split.

  3. Rebalance

    Load the stems into your editor and fix the levels that always bothered you.

  4. Compare and share

    Play the new version next to the original before sending it to the band.

Found the old CD-R?

Split its best copy into separate parts and hear the song again with a fresh balance, starting with free credits after a quick sign-up.

Split the recording
Open box of old cassettes, CD-Rs and a dusty external hard drive beside a laptop and headphones on a wooden desk
Fingers moving faders on a small controller next to a laptop showing several separate audio tracks
Common snags

What to expect from a split of an old recording

Old recordings are hard material for any music splitter. Room sound, tape hiss and instruments bleeding into each other all make the parts harder to pull apart, so some of one instrument may remain in another stem. Treat the stems as a better starting point, not a perfect multitrack, and make gentle level changes rather than extreme ones, which tend to expose artefacts.

The problemA little guitar leaks into the vocal stem.
→
What helpsRaise the vocal gently; small moves hide leakage.
The problemThe split sounds rough.
→
What helpsFind a less compressed copy, ideally WAV or FLAC.
The problemKeys are lost in "others".
→
What helpsRun 6-Stem Split to get a separate piano track.
Want a cleaner split?

Give the music splitter the best copy you can find and the mode that matches your line-up, and compare the stems before you mix.

Try another split
Sharing

Bringing the band back together around the song

A rebalanced demo is a great excuse to get old bandmates in a room or a group chat again. Send the original and the new version side by side and let everyone hear their own part clearly, sometimes for the first time in years.

Some bands use the stems to relearn songs for a reunion show; others simply want a version that finally sounds the way they remember it. Either way, only use a music splitter on recordings you and your bandmates own, and only share those.

Vocal forwardRaise the vocal stem a little and lower the drums under the verses
Bass you can hearBring the bass stem up so the groove comes through on small speakers
Relearn a partMute your own instrument's stem and play along with the rest
Tribute mixFeature a late bandmate's part and keep the others underneath
Four old bandmates in their forties smiling in a rehearsal room as they listen to a recording from studio monitors
FAQ

Music splitter questions

Short answers about splitting old band recordings on MusicCreator, from file types to what the stems can and cannot do. Results depend heavily on the quality of the file you start with.

Can it recreate the original multitracks?

No. A music splitter separates one stereo file into stems such as vocals, drums, bass and others. Some bleed between parts is normal, especially on old recordings.

Which file should I upload?

The music splitter accepts MP3, WAV, OGG, M4A, AAC, FLAC and WMA. Use the least compressed copy you have.

Can I get a separate guitar track?

Yes. 6-Stem Split returns vocals, drums, bass, guitar, piano and others.

Why can't I use All Detected Stems?

That mode works on songs made on MusicCreator only, not on uploaded recordings.

How do I get started?

The MusicCreator music splitter online is free to start, with free credits after a quick sign-up, and it runs in the browser, including phone browsers.

Give your old song its mix

Run one surviving stereo file through the music splitter and rebalance it at last, starting with free credits after a quick sign-up.

Rescue your recording
Music Splitter for Rescuing Old Band Recordings