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To upload your own song to Suno and extend it, start with an audio file you have the right to use, upload it in Suno, then create an extension from the point where you want the new section to begin. Describe the section’s musical role and how it should connect to what came before. Suno supports audio uploads up to 8 minutes on its Free Plan and supports song extensions; the exact controls may change, so follow the current upload and extension prompts in Suno.
Prepare Your Song For Upload
Choose the version you want Suno to continue: a full mix, demo, or unfinished recording. Before uploading, listen to the ending and decide whether the extension should continue its groove, build toward a climax, or move into a contrasting section. A clean, intentional end point makes it easier to describe where the next passage should go.
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- Check the file duration against Suno’s 8-minute Free Plan upload limit. The supplied plan details do not establish supported file formats or other plan-specific upload limits; check Suno’s current upload guidance for those specifics.
- Write down the song’s tempo feel, instrumentation, vocal arrangement, and mood as you hear them. These notes can help you describe continuity, but the available details do not establish specific genre or instrument controls.
Upload The Audio And Start An Extension
- Open Suno and go to its music creation workflow. Choose the audio upload option and select your song file. Suno is available on the web, iOS, and Android; the exact screen labels and steps may differ by platform.
- After the upload is available in the workspace, choose the extension action for that audio. Select the point where the new music should begin if Suno offers that choice. The available product details confirm extension support but do not specify the control names or whether every platform exposes the same options.
- Describe what the next passage should do. Keep the prompt focused on the transition, musical role, and ending you want. For example: “Continue the steady mid-tempo pulse and warm guitar texture. Add a restrained drum build, then open into a wider, more energetic final chorus with layered backing vocals. Resolve the phrase and end cleanly.” This is a prompt-writing example, not a guarantee of particular instruments or results.
- Generate the extension and listen from the join, not just from the new section. Check whether the rhythm, energy, vocals, and ending connect to your original recording. If the transition feels abrupt, revise the prompt to name the problem and the desired change, then generate another version.
- When the continuation works, use Suno’s available editing or export controls to keep working with it. Suno supports editing and stem export, but the supplied details do not specify export formats or which plans include each control; check the current plan and product terms before relying on them.
Write A Prompt That Fits The Song
Describe the relationship between the uploaded material and the new section rather than asking for a generic “longer song.” A useful prompt says what should stay recognizable, what should change, and how the extension should finish. Avoid naming an instrument, genre, language, or vocal treatment unless you have listened to the source and want that direction; the available details do not establish support for any particular genre, instrument, language, or musical style.
- For a seamless continuation: “Keep the same groove and vocal character. Continue the current phrase, add a small lift in the second half, and finish with a resolved ending.”
- For a bigger final section: “Preserve the song’s pulse and main melodic feel. Build gradually into a fuller final chorus, then give the last line room to resolve.”
- For an instrumental passage: “Continue the established rhythm without adding new lyrics. Let the lead instrument carry a short response, then return to the main motif and close naturally.”
These examples are creative directions, not documented Suno presets. The product details do not establish that prompts can lock an existing melody, preserve every lyric, or control a specific instrument or section exactly, so listen to the generated join and check Suno’s current guidance for any control you need.
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Check Rights Before You Upload Or Share
Only upload audio you made or have permission to use, including any vocals, samples, or other people’s performances in the recording. Suno’s Free Plan does not include commercial rights. Check Suno’s current terms for the rights that apply to your plan and intended use before publishing or monetizing an extension; this article does not establish rights for covers or third-party material.
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