> ## Documentation Index
> Fetch the complete documentation index at: https://orem.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Pro audio tools: mastering, covers, and stems in Orem

> Music Studio has four AI post-production tools: cover song generation, audio mastering, stem extraction, and sing-over vocals for finishing your Orem tracks.

Music Studio brings together four professional audio production tools in one place: cover song generation, audio mastering, stem extraction, and sing-over vocals. Each tool takes your existing audio as input and transforms or enhances it using AI. These are high-fidelity tools designed for creators who want studio-quality output beyond basic generation.

<Note>
  Music Studio requires a **Pro** subscription. All tools deduct credits from your balance at the time of use.
</Note>

<Tabs>
  <Tab title="Cover Songs">
    Transform any song into a new version sung by a different AI voice.

    **Requirements:**

    * Source audio file in MP3 or WAV format
    * 200+ AI voice models to choose from
    * Pitch adjustment: -12 to +12 semitones
    * Best results with clear vocal tracks or complete songs

    **Cost:** 20 credits per cover

    <Steps>
      <Step title="Upload your source audio">
        Select an MP3 or WAV file from your device. The clearer and better-mixed the original, the better the output.
      </Step>

      <Step title="Choose a voice model">
        Browse and select from over 200 AI voice models. Preview voices before committing.
      </Step>

      <Step title="Adjust pitch">
        Use the pitch control to shift the key up or down by up to 12 semitones if the original key doesn't suit the new voice.
      </Step>

      <Step title="Generate">
        Submit the job. The converted track appears in your library when complete.
      </Step>
    </Steps>
  </Tab>

  <Tab title="Mastering">
    Apply professional mastering to finalize loudness, dynamics, and overall polish on any track.

    **Requirements:**

    * Completed audio track in MP3 or WAV format
    * Optional: a reference track to match style and loudness
    * Stereo audio files only

    **Cost:** 15 credits per mastering session

    <Steps>
      <Step title="Upload your track">
        Select the finished mix you want to master. This works best on tracks that are already well-mixed — mastering adds final polish, not a mix fix.
      </Step>

      <Step title="Add a reference track (optional)">
        Upload a reference song to guide the mastering algorithm toward a specific loudness target and tonal balance.
      </Step>

      <Step title="Submit">
        Start mastering. The output is saved as a new version of the track in your library.
      </Step>
    </Steps>
  </Tab>

  <Tab title="Stem Extraction">
    Separate a mixed track into individual stems — vocals, drums, bass, and other instruments — each as a separate downloadable file.

    **Requirements:**

    * Complete song or track in MP3 or WAV format
    * Best with professionally produced, well-mixed audio

    **Cost:** 15 credits per extraction

    <Steps>
      <Step title="Upload your track">
        Select the song you want to separate. Cleaner productions yield cleaner stems.
      </Step>

      <Step title="Submit">
        Orem processes the file and splits it into separate stems. Each stem is provided as an individual audio file.
      </Step>

      <Step title="Download stems">
        Download the vocals, drums, bass, and other instrument stems individually.
      </Step>
    </Steps>
  </Tab>

  <Tab title="Sing Over Instrumental">
    Add AI-generated vocals to an instrumental track using your own lyrics.

    **Requirements:**

    * Instrumental track in MP3 or WAV format
    * Lyrics (written or AI-generated)
    * Male, Female, or Neutral vocal style selection

    **Cost:** 20 credits per generation

    <Steps>
      <Step title="Upload your instrumental">
        Choose an MP3 or WAV instrumental file. Clear, well-mixed beats produce the best vocal results.
      </Step>

      <Step title="Provide lyrics">
        Write your own lyrics or enter a topic prompt to have Mero generate them for you.
      </Step>

      <Step title="Set vocal details">
        Enter a track title, describe the singing style (e.g., "powerful tenor with vibrato", "soft female voice with reverb"), and choose Male or Female voice gender.
      </Step>

      <Step title="Generate">
        Submit the request. The finished song — your instrumental with AI vocals — appears in your library.
      </Step>
    </Steps>
  </Tab>
</Tabs>

<AccordionGroup>
  <Accordion title="Credit costs at a glance">
    | Tool                   | Credits    |
    | ---------------------- | ---------- |
    | Cover Song             | 20 credits |
    | Sing Over Instrumental | 20 credits |
    | Mastering              | 15 credits |
    | Stem Extraction        | 15 credits |
  </Accordion>

  <Accordion title="Supported file formats">
    All Music Studio tools accept MP3 and WAV audio files. WAV files generally produce slightly better output due to the lossless source quality.
  </Accordion>
</AccordionGroup>

<Warning>
  Music Studio tools consume credits on submission, not on completion. If a generation fails, credits are refunded automatically.
</Warning>