How to Get Simple and Clean MIDI Free

What is Simple and Clean?

Simple and Clean (originally titled "Hikari" in Japanese) is the main theme song of the Kingdom Hearts video game series. It was written, composed, and performed by Japanese-American singer Hikaru Utada, and released in 2002 alongside the first Kingdom Hearts game.

The song has become one of the most recognizable video game themes of all time, known for its emotional melody and nostalgic connection to the beloved Square Enix and Disney collaboration. It appears in multiple versions throughout the series, including the original "Simple and Clean," the remix "Simple and Clean -PLANITb Remix-," and "Simple and Clean -Ray of Hope MIX-" from Kingdom Hearts III.

Converting Simple and Clean to MIDI format allows you to:

• Play the melody on piano or other instruments
• Create remixes and covers
• Study the composition and chord progression
• Use it in music production software

Learn more about the song on the Kingdom Hearts Wiki.

How to Get Simple and Clean MIDI in 5 Steps

Follow these 5 simple steps to convert Simple and Clean to MIDI format. The entire process happens in your browser — no signup required, and your audio files are never uploaded to any server.

Step 1: Upload Your Simple and Clean MP3

Go to the MP3 to MIDI converter and click the "Choose MP3 File" button or drag and drop your Simple and Clean audio file into the upload area. We support MP3, WAV, FLAC, and other common audio formats.

Step 2: Select Audio Type

Choose the audio type that best matches your Simple and Clean file. For the original vocal version, select "Full Song." For piano covers or instrumental versions, select "Piano." This helps the AI model optimize the conversion.

Step 3: Start Conversion

Click "Convert" and wait for the AI model to analyze your audio. The conversion happens entirely in your browser using Basic Pitch technology — your audio never leaves your device. Processing time depends on your device's performance, typically 30 seconds to 2 minutes.

Step 4: Edit in Piano Roll (Optional)

Once conversion is complete, you can preview and edit the MIDI in our built-in piano roll editor. Adjust notes, fix timing, or remove unwanted tracks before downloading.

Why Use Our Simple and Clean MIDI Converter?

Tips for Best Simple and Clean MIDI Results

Simple and Clean Versions in Kingdom Hearts

Simple and Clean appears in multiple versions throughout the Kingdom Hearts series:

• Simple and Clean (Original) — The original version from Kingdom Hearts (2002)
• Simple and Clean -PLANITb Remix- — Upbeat remix used in Kingdom Hearts opening
• Simple and Clean -Ray of Hope MIX- — Orchestral version from Kingdom Hearts III (2019)
• Hikari — The Japanese version of the song

Each version has a different arrangement and tempo, so you may want to convert multiple versions to get the MIDI that best fits your project.

Beyond the Download: Making a Simple and Clean MIDI Useful

Simple and Clean is a slow, vocal-driven ballad, so it converts more cleanly than most pop or rock — but a raw transcription still needs a little care before it works in your own DAW project.

Keep the vocal line on its own track

The lead vocal and the piano arpeggio occupy different ranges, and the converter usually keeps them apart. Double check the arrangement is separated into at least a melody track and an accompaniment track before you start editing.

Let the piano arpeggio breathe

Because the tempo stays moderate, long piano chords transcribe cleanly. If any chord sounds noticeably late, quantize it to the grid in the piano roll; the human rubato in the recording is the main thing you lose when you snap everything to a strict beat.

Trim the intro and cinematic sections

The song's layered, score-like opening can overflow with sustained pads. Mute the bowed strings layer and keep just the piano and voice for a tighter version you can loop or export.

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