🚀 Welcome to BlackRatio Studio — Free browser-based music tools, audio-to-MIDI converters, and notation studio!
BlackRatio Studio
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Generate Playable Piano Cover Arrangements

Transform any simple melody into a full, expressive two-handed piano solo. Select your style (Ballad, Arpeggiated, Chords) and skill level (Beginner to Advanced).

Upload your MIDI (.mid) file

Drag & drop your file here, or click to browse (up to 25MB)

.MP3.WAV.MID.XML
Interactive Piano Roll (0 Notes)Click • Drag • Resize • Play
0 notes | BPM: 120
Click empty space to add notes • Drag to move • Drag right edge to resize • Press keys to auditionSelection: None
Ready to export your processed arrangement:

How to Use AI Piano Cover Arranger

  1. Import a melody MIDI file or enter note events.
  2. Select your arrangement style: Soft Ballad, Arpeggiated, or Chord-Based.
  3. Choose your difficulty level: Beginner, Intermediate, or Advanced.
  4. Generate the dual-hand arrangement with right-hand lead and left-hand accompaniment.
  5. Play the arrangement in real-time or export to MIDI and PDF.

Key Capabilities

  • Intelligent voice-leading and register distribution
  • Authentic acoustic piano accompaniment patterns (root-5th-10th ballad rolls)
  • Beginner, Intermediate, and Advanced difficulty options
  • Complete sheet music score generation for both hands

Technical Specifications & Acoustic Limitations

Harmonic and scale calculations execute algorithmically using standard pitch-class profiling. Transposition and chord voicings follow common music theory conventions; verify enharmonic preferences (such as sharps versus flats) to match your score arrangement.

Frequently Asked Questions

What is the difference between Beginner and Advanced modes?↓

Beginner mode generates sustained root bass notes with single-note melodies. Advanced mode incorporates rolling 8th-note broken chords, dynamic counter-melodies, and richer harmony.

Input & Output Formats

Supported Inputs:
MIDI (.mid)Transcribed MelodyNote Events
Supported Outputs:
Arranged Piano MIDIGrand Score MusicXMLPrintable PDF
DAW Compatibility: Ableton, FL Studio, Logic Pro, Cubase, MuseScore, Sibelius.