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Song to Upright Bass MIDI
Turn a song into upright bass MIDI you can edit. Upload MP3, WAV, M4A or FLAC, leave acoustic bass selected, check the walking line on the piano roll, then drop the .mid into your DAW.
Hear the upright, see the acoustic bass MIDI
Play the source beside the piano roll. Woody attacks and walking lines are easier to trust when you hear the same beat before export.
Upright Bass
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Reading the MIDI…
Upright bass MIDI for the walking line you heard
Acoustic-bass hard mask
This landing opens Audio to MIDI with acoustic bass already chosen. MIDI stays on the upright line — not electric bass or the rest of the band.
Jazz and acoustic lines as editable notes
Download the unquantized .mid for an upright or sample bass. Shape pitch and timing for jazz or acoustic walking lines.
When the upright is buried
Isolate acoustic bass with Stem Splitter first if the mix is dense, then upload that stem here.
Separate from electric bass and orchestral contrabass
Plugged-in pocket lines use the electric bass page. Orchestral double bass has its own landing.
How to turn a song into upright bass MIDI
From the upright take you have to a .mid you can rewrite.
- 1
Upload up to 10 minutes of audio
MP3, WAV, M4A or FLAC — jazz trio bass, acoustic ballad, or a mix where the upright is clear. Or pick from My Music.
- 2
Keep acoustic bass selected
This page already chooses acoustic bass. Add another part only if it should share the MIDI.
- 3
Check the walking line on the roll
Scrub root motion and approach notes against the recording before export.
- 4
Download .mid and refine in the DAW
Take the transcription MIDI into Ableton, Logic, or FL Studio.
Upright bass MIDI you can export
When the roll looks right, take the .mid into your DAW. Printable bass staff is the sheet sibling's job.
- 01
MIDI (.mid)
Preferred DAW import — unquantized transcription MIDI first from History.
- 02
Shape walking lines on upright samples
Load the .mid on upright or sample bass, then shape approach notes and walking feel for jazz or acoustic charts.
Clearer upright audio, cleaner bass MIDI
If the acoustic bass is buried, isolate it first — then convert that stem.
Start from a bass-forward take
Solo upright or a mix where the bass sits up front beats a muddy full band.
Isolate when the mix is busy
Use Stem Splitter for acoustic bass, upload the stem here, or leave Auto on if the line is already obvious.
Shape walking approach notes
Shape approach notes and walking feel on upright samples for jazz or acoustic charts.
Players who needed upright MIDI, not another synth bass
“Jazz walking line landed as MIDI I could reharmonize under new changes.”
“Hard mask kept electric bass language out. Upright-focused MIDI.”
“Dropped the MIDI into Logic, then locked a few approach notes. Solid walking line for the chart.”
More instruments as MIDI
Same family first — each page opens Audio to MIDI with that part already selected.
Electric bass
Convert a song or MP3 to electric bass MIDI online. Capture pocket or walking basslines as a .mid — keep electric bass selected, then lock the groove in your DAW.
Piano
Convert a song or MP3 to piano MIDI online. Upload audio up to 10 minutes, keep acoustic piano selected, and download a .mid for Ableton, Logic, or FL Studio — rewrite and revoice in your DAW.
Electric piano
Convert a song or MP3 to electric piano MIDI online. Capture Rhodes, Wurlitzer, or stage-EP comps as a .mid — keep electric piano selected, then rewrite the voicing in your DAW.
Frequently asked questions
Can I get upright bass MIDI from an MP3?
Is this the electric bass page?
How is this different from double bass?
If I only select acoustic bass, does the whole band still appear?
Sheet music or MIDI?
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Convert your song to upright bass MIDI
Upload the take, keep acoustic bass selected, and download a .mid for your DAW.