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Create vocal harmonies by keeping the lead melody as the anchor, writing one or two supporting note lines that fit the chords, then generating or editing each line as a separate vocal part. VOCALOID6 explicitly lists harmony creation; other tools below can generate or edit sung parts that you arrange into harmonies. If you are working from a phone, check each vendor’s site for mobile compatibility before starting: several options are desktop software, and the web app’s phone support is not established here.
Choose A Workflow That Fits Your Device
| Tool | Harmony-relevant capability | Availability And Cost Listed |
|---|---|---|
| VOCALOID6 | Harmony creation; singing generation from melody and lyrics | Windows and macOS desktop; paid from $225 one time; 31-day trial |
| LyricToMelody AI | Generates melodies and sung drafts from lyrics or MIDI; exports MIDI, audio, and separate stems | Web application; free plan, paid from $10/mo annual |
| ACE Studio | Generates singing from MIDI and lyrics; separate-track rendering | Windows and macOS desktop; paid, no free plan |
| Synthesizer V Studio 2 Pro | Detailed pitch, timing, pronunciation, timbre, and expression editing for synthesized vocals | Windows and macOS desktop; paid, 14-day trial |
| VoiSona Song | Piano-roll editing for notes, lyrics, timing, pitch, and expression | Windows, macOS, and iOS; free plan, with additional voice libraries purchased separately |
For an explicitly listed harmony-creation feature, start with VOCALOID6. For note-by-note construction, the MIDI and piano-roll workflows in the table let you build supporting parts yourself. LyricToMelody AI is a web application, but phone compatibility is not established by the listed details; check its site before relying on a mobile browser.
Write Harmony Notes Before Generating Vocals
AI can sing or edit a supporting line, but the line still needs to fit the song. Start with the chords and melody, then give each harmony singer a distinct line. Here is a compact example in C major, using one chord per bar:
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| Bar And Chord | Lead Notes | Example Upper Harmony |
|---|---|---|
| 1 — C | C4, D4, E4, G4 | E4, G4, G4, B4 |
| 2 — F | A4, G4, F4, E4 | C5, C5, A4, G4 |
| 3 — G | D4, E4, G4, A4 | G4, B4, B4, D5 |
| 4 — C | G4, E4, D4, C4 | B4, G4, G4, E4 |
This is a starting sketch, not a rule that every melody note should be shifted by the same number of semitones. Adjust notes to the chord and the singer’s comfortable range. If you do not know the chord progression, identify it first or keep the harmony sparse; a guessed chord can make an otherwise plausible note clash.
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Create The Parts Step By Step
- Prepare a clean lead. Record or enter the lead melody and lyrics. Keep the phrase short while arranging, and note the chords beneath it. A steady melody and clear syllables make timing and lyric edits easier.
- Choose one harmony line. Use the chord tones and example above as a model, then write a line that moves smoothly through the progression. Avoid copying the lead rhythm note for note throughout; leave gaps or hold notes where the lyric and arrangement allow.
- Enter or generate the supporting part. In VOCALOID6, use its listed harmony-creation feature with the melody and lyrics. With ACE Studio, Synthesizer V Studio 2 Pro, or VoiSona Song, enter the supporting notes through the listed MIDI or note-editing workflows and render a separate vocal part. LyricToMelody AI accepts MIDI and can export MIDI, audio, and separate stems, but the listed details do not establish an automatic harmony-from-lead function.
- Check the words and note timing. Listen for consonants that land together and vowels that sustain cleanly. Edit note timing, lyrics, pitch, or expression where the tool supports those controls. For VoiSona Song, the listed piano roll covers these edits; Synthesizer V Studio 2 Pro lists pitch, timing, pronunciation, and expression controls.
- Add a second harmony only if the arrangement needs it. Write a lower or higher line from the same chord progression instead of duplicating the first harmony. Generate or edit it as another part, then listen to all parts together for crowded words, awkward range, and notes that conflict with the chords.
- Export and check the mix. Keep parts separate if the tool offers separate-track rendering or stems, then balance the harmony beneath the lead in your audio workflow. LyricToMelody AI lists separate stems; ACE Studio lists separate-track rendering. Formats and phone-based mixing support vary, so check the vendor’s details for the export and playback workflow you need.
Pick The Tool By The Work You Need Done
For Built-In Harmony Creation
VOCALOID6 is the clearest match when you want a listed harmony-creation feature alongside singing from melody and lyrics. Its listed workflow is desktop-only on Windows and macOS, and the stated starting price is a $225 one-time purchase. The listed details do not establish phone operation.
For A Web-Based Drafting Workspace
LyricToMelody AI generates melodies and sung vocal drafts from lyrics or MIDI, and exports MIDI, audio, and separate stems. The free Starter plan includes 20 credits to start and keeps projects for 7 days; paid plans start at $10 per month with annual billing. It is a web application, but whether its interface works well on your particular phone is not established here. The listed capabilities do not say it automatically derives harmony from an existing lead.
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For Editable Synthesized Vocal Parts
ACE Studio generates singing from MIDI and lyrics and supports separate-track rendering. It is paid software with no free plan listed, runs on Windows and macOS, and its licensing has voice- and feature-specific exceptions. Synthesizer V Studio 2 Pro focuses on detailed edits to synthesized vocals, including pitch, timing, pronunciation, timbre, and expression; it is desktop software for Windows and macOS with a 14-day trial and no perpetual free plan. Neither listing establishes phone use.
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For Piano-Roll Editing And iOS Availability
VoiSona Song lists Windows, macOS, and iOS availability, with piano-roll editing for notes, lyrics, timing, pitch, and expression. It has a free plan, while additional voice libraries have separate monthly, annual, or outright costs; the listed starting price is ¥880 and costs vary by library. The listing does not establish that every desktop capability is available on iOS, so check the vendor’s site for the specific workflow you need.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Check Consent And Voice Terms
Use a voice or recording only when you have permission to use it. Before publishing or monetizing the result, check the relevant platform’s terms and the rules for the specific voice: LyricToMelody AI lists commercial rights on paid plans, while VoiSona Song says commercial use depends on its terms and individual voice guidelines. The other tools’ listed details here do not establish licensing for your intended use, so check their current terms.
Quick Recap
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
