Replace Section
Source song
Optional
Library
AI Music Replace

Highlight a section on the waveform and tell AI what should go there, whether new lyrics or a new style. The rest of the song stays untouched.

Source audio
00:00Selected: 0:29 - 0:3600:39
Music description:
energetic pop-rock, punchy dense drums, solid bass, 120 BPM, original key, seamless transition, keep original bass line
00:0001:06

Free AI Music Editor Online to Replace Song Sections

Select any 6 to 60-second section on the waveform, rewrite the lyrics, and change the musical style while preserving the rest of the track.

AI Music Editor workspace for replacing one song section

How It Works

Replace a Song Section Online in Three Steps

Choose a generated song, mark the section on the waveform, and regenerate with new lyrics and style.

01

Select a song from your library

Open any eligible vocal song created in Doremiai with waveform and lyric support.

02

Highlight the section to replace

Drag along the waveform to select a 6 to 60-second segment that does not exceed half the track.

03

Update lyrics and music style

Type new lyrics, specify the desired musical direction, and generate the revised passage.

Key Capabilities

Fix the exact part that needs improvement

Use waveform precision and timed lyrics to update specific song sections without regenerating the entire track.

  • Waveform range

    Waveform segment selection

    Select specific verses, choruses, or instrumental fills down to the second.

  • Updated lyrics

    Rewrite lyrics and vocals

    Update awkward phrasing, rewrite rhymes, and generate fresh singing vocals in place.

  • Style boundaries

    Custom style and negative prompts

    Set target instruments and mood, with optional negative prompts to exclude unwanted sounds.

Waveform and lyric controls for replacing a selected music section

Popular Use Cases

Perfect your songs with targeted section edits

Refine lyric lines, improve vocal hooks, and adjust transitions without starting over.

Common use cases 1

Rewrite an awkward verse

Replace weak lyrics or pronunciation issues in a verse while keeping the overall arrangement.

Common use cases 2

Adjust chorus energy

Revise vocal delivery and instrumental power in the chorus to make the hook hit harder.

Common use cases 3

Personalize songs for occasions

Swap out specific names, dates, or brand mentions in a song for custom events and videos.

AI Music Editor FAQ

Frequently asked questions

Learn which songs work with AI Music Editor and what controls are available.

Edit Song Sections Online with Free AI

Select an eligible song from your library, mark the waveform, and regenerate any section in seconds.

Edit Song Free