How do you prompt Udio so it sings the words you actually wrote?
Udio sings what sits in its Custom lyrics editor, reads [square brackets] as directions and (parentheses) as backing vocals. How to lay out the lyric and the prompt box so the words you wrote are the words that get sung.
[Verse]
Platform three and the heater's still on
(slow down here)
Mum in the window, then the window's gone
Paste that into Udio's lyrics editor and the second line is the one to worry about. Udio's own help pages describe parentheses as the mark for backing vocals, so a note you meant for yourself can come back as a second voice singing "slow down here" behind the lead. The words you wrote get sung. So can the words you never meant to be heard.
The short answer, then. Udio sings your text when it goes into the Custom lyrics editor, not the prompt box. Every line outside square brackets is a line to be sung. Section names and directions go inside [ ]. Parentheses are for backing vocals and nothing else. The prompt box describes the sound and never carries the words. Get those five right and most "it ignored my lyrics" complaints disappear. The rest of this page is the detail behind each rule, plus where the lyric itself comes from if you do not have one yet.
Two inputs, two jobs
Udio's help center describes a strong prompt as a topic or free-form text plus genre or tags. The lyric lives somewhere else: the Custom lyrics option, which the help pages describe as the editor that gives you full control. If you leave Custom unselected and do not switch on Instrumental mode, Udio writes lyrics for you. That is the usual reason someone prompts a song about their grandmother's kitchen and gets a verse about neon lights and highways. The model took the topic as a hint and wrote its own words around it.
| Input | What goes in | What never goes in |
|---|---|---|
| Prompt box | genre, mood, instruments, voice, era, a short topic | lyric lines, section names |
| Custom lyrics | the sung lines, [Verse]-style tags, (backing) lines | stage directions as plain text, notes to yourself |
| Instrumental mode | nothing sung | lyrics of any kind |
The discipline is the same one a Suno prompt needs: sound in one place, words in the other. The failure is the same too. Blur the border and the model hedges between the two readings, and a hedged song is a generic song.
Where the words come from
Everything above assumes you already have a lyric. Plenty of people opening Udio do not. They have a situation, a person, a date, and an empty editor. Udio will fill that editor on its own if you let it, and you get words shaped by what the model thinks a song about "moving away" usually sounds like. Which is everyone's song, not yours.
That gap is what our lyrics generator is for. You fill a short form and get back a title and a full lyric, already split into sections with [Verse], [Chorus] and [Bridge] style tags. That is the same square-bracket convention Udio's help pages use for section tags, so the text pastes straight into the Custom lyrics editor. The generator makes no audio and never sings. The lyric is the whole output, and you take it to whichever tool does the singing, Udio included.
The form fields that matter most for a sung lyric look like this:
theme Leaving my hometown on the night train. Mum at the window,
platform three. I forgot to switch off the heater. I promised
to call every Sunday and I already know I will miss one.
language en
POV first
structure classic
hook title-line
emotion longing
vocal female
A lyric built from that brief can only use what is in it, so give the theme real objects: the platform number, the heater, the Sunday call. Those nouns make a chorus about one particular leaving rather than about leaving in general. The theme field stops at 300 characters, and the cap helps: keep the three details you would tell a friend on the phone and cut every adjective you were saving for atmosphere. Atmosphere is the prompt box's job.
One generation costs 20 credits, and at 100 credits to the dollar that works out to $0.20 a lyric inside a plan. There are no free credits and no way to pay for a single lyric: the cheapest way in is $5 a month, which brings 500 credits, or 25 lyrics, every month. Lifetime access is $19 paid once and comes with 1 500 credits, 75 lyrics, that do not refill. Open the generator with a brief like the one above and you have a lyric to paste before you have picked a genre in Udio.
The three marks Udio reads inside a lyric
Udio's help documentation names three kinds of mark you can use in the lyrics editor. Each has exactly one job, and most broken songs come from using one mark for another mark's job.
Square brackets are instructions. [Verse], [Chorus], [Bridge], [Intro] and [Outro] mark sections. Udio's page on guidance tags also lists performance and arrangement tags such as [Solo], [Choir], [Instrumental Break], [Interlude], [Spoken Word], [Build] and [Breakdown]. Pressing / in the editor brings up a list of suggested tags, so there is no need to guess the spelling.
Parentheses are backing vocals. A line in ( ) is a layered vocal part, and it gets sung. That is the trap in the opening example. Use parentheses for an echo, an answer line, a call and response. Never for a note to yourself.
Accented letters move the stress. The help pages show récord against recórd as a way to push the stress onto the syllable you mean. When Udio keeps landing a word on the wrong syllable, an accent on the stressed vowel is a cheaper fix than rewriting the line and losing the rhyme.
Here is the chorus from that brief after a pass by hand to use all three marks properly:
[Chorus]
Call me on a Sunday
(call me on a Sunday)
Platform three is empty now
Call me on a Sunday
I'll recórd the way you say goodbye
[Instrumental Break]
[Bridge]
[Spoken Word]
The heater's still on. Tell her I'm sorry.
The echo sits in parentheses because it is meant to be heard. The direction to speak the bridge sits in brackets because it is not. The accent in recórd tells the singer this is the verb, not the noun. Nothing outside a bracket is a note.
One honest caveat from Udio's own guidance-tags page: the human gives guidance and suggestions, and the model makes the final decision. A [Spoken Word] tag raises the odds of a spoken bridge. It does not guarantee one.
Writing the prompt box for a song built around its words
With the words in the editor, the prompt box has one remaining job: describe the band and the singer. Udio's help recommends a topic or free text plus genre or tags. For a lyric-led song, keep the topic short, because the lyric already carries the story, and spend the words on sound:
indie folk, fingerpicked acoustic guitar, soft upright bass, brushed drums,
intimate female vocal, close-mic, late-night, restrained, 2010s
Three choices change what comes back more than any others.
Name the voice. If the lyric was written for a female voice and the prompt says nothing about the singer, the vocal is the model's call. Our generator's vocal field (female, male or unspecified) shapes how the lines are written. It does not reach Udio. Say it again in the prompt box.
Use Manual Mode when Udio keeps redecorating. Udio's help describes Manual Mode as taking only exact tags, no free text, and skipping automatic refinements. The same page says it suits custom lyrics but warns that lyrics may come out more generic. That is the real trade: more obedience, less colour. Switch it on when the arrangement keeps wandering away from what you asked for. Leave it off when the result is right but flat.
Artist names describe a feel, not a voice. Udio's help says it will not copy an artist's voice but can capture a similar musical feel. A name can be the fastest way to point at a sound, but describe that sound in plain terms as well, because a name on its own may be read loosely or ignored.
Moving a Suno-shaped prompt into Udio
Our prompt generator and our catalogue of styles were built for Suno's Style field, which takes a comma-separated run of English descriptors. Udio's prompt box accepts free text and genre tags, so a comma list of genre, instruments, voice and era has the same shape as the "genre or tags" example on Udio's own help page and can serve as the core of an Udio prompt. What needs adapting:
- Drop anything that refers to a Suno feature, such as persona names or slider settings. Udio has no idea what they mean.
- In Manual Mode, keep only the terms that behave like tags (genre and instrument names). Full sentences are exactly what that mode leaves out.
- Keep tempo in words (
slow,driving,mid-tempo) rather than a number, as you would on Suno.
We have not tested every catalogue prompt in Udio and will not pretend they all behave the same there. The piece on taking Suno prompts to other generators covers the general case. Spend one generation on a test before you commit a batch of credits to a prompt.
When Udio skips, repeats or rewrites your lines
Since the model has the final word by Udio's own description, some drift is the design rather than a fault. Most of the drift you can fix traces back to one of these.
Custom lyrics was not selected. Your words count only when they sit in the Custom lyrics editor. With auto-generated lyrics, the model writes its own and your draft does nothing.
A line is too long for one breath. A line that outruns the melody gets squeezed, split in an odd place or partly dropped. Break it into two lines. A line break is the clearest phrasing signal you can hand the model; a comma inside a long line is a much weaker one.
A direction is written as plain text. softly on its own line is a lyric, and it will be sung. [Spoken Word] or another bracketed tag is a direction.
Parentheses are used for notes. Covered above, and still the most common version of this failure.
Too many tags on one section. Five tags stacked over a four-line verse give the model five suggestions to weigh against each other, and it will pick. One section tag plus at most one performance tag per section is a sensible place to start.
The chorus changes between repeats. If you want identical chorus words every time, paste the full chorus every time. A bare [Chorus] with nothing under it hands the words back to the model.
A name or a borrowed word keeps getting the wrong stress. Use the accented-letter trick, or respell the word the way it sounds. A surname that trips the model once will usually trip it again, so fix it in the text rather than rolling the dice on another generation.
Before you spend credits: can you take the song out?
The ground under Udio moved in late 2025. Universal settled its lawsuit with Udio, and downloads were switched off during the move to a licensed platform. The two companies announced a licensed platform for 2026. The history is in what Udio is now. What it means here is practical: before you craft a lyric for Udio, check on Udio's own current pages whether your plan lets you download the finished song and what its terms let you do with it. We cannot answer that for you, and the answer has changed more than once.
If the answer is no and you need a file you can actually release, the same lyric usually works in Suno as it stands, because both tools read section tags in square brackets. The lyric format Suno wants covers the small differences worth checking. For a head-to-head on output and workflow, Suno versus Udio is the page. Either way the lyric is yours to carry between tools, because it is plain text and it never lived inside either of them.
This is not legal advice. What you may do with a song made in any generator comes from that platform's current terms and the law where you live, not from this article.
FAQ
Does Udio sing my lyrics exactly as written? It follows them when they are in the Custom lyrics editor, but Udio's own help describes tags as guidance rather than commands. Expect the occasional skipped or repeated line, and fix it by shortening lines and pasting the chorus in full every time it appears.
Which tags does Udio understand? Its help center lists section tags such as [Verse], [Chorus], [Bridge], [Intro] and [Outro], and performance tags such as [Solo], [Choir], [Spoken Word] and [Breakdown]. Press / in the editor for the list Udio suggests today.
How do I add backing vocals? Put the line in parentheses. The same rule is why a note to yourself must never go in parentheses.
Can I use a lyric from sunomarket in Udio? Yes. The generator returns plain text with [Verse]-style section tags, which is the convention Udio's editor documents. Paste it into Custom lyrics and read it once for anything outside brackets you do not want sung.
Can I use a Suno prompt from your catalogue in Udio? As a starting point for the prompt box, usually, once anything Suno-specific is removed. We have not checked every one in Udio, so run one test before spending more.
Does your generator make the song in Udio for me? No. It writes the title and the lyric. The audio happens in Udio, Suno or another tool you choose, under that company's terms, and none of those companies is connected to us.
The move
Write the brief now while the details are still sharp: the place, the object, the promise you will half keep. Put it into the lyrics generator, read the lyric that comes back, check that every line outside brackets is a line you want sung, and paste it into Udio's Custom lyrics editor under a prompt that names the voice. Inside a plan each draft costs $0.20 in credits. The way in is $5 a month for 25 lyrics, or $19 once for lifetime access to the catalogue and prompt generator plus 75 lyrics that do not refill.