Professional music composition tool with intelligent melody generation, AI-powered improvements, MIDI support, and real-time playback. Perfect for composers, students, and music enthusiasts.
Everything you need to create, edit, and perfect your musical compositions
Generate unique melodies based on title seeds, key signatures, and time signatures. Create 4 to 32 bar compositions instantly.
Get professional feedback on your compositions using Workers AI or Claude. Receive concrete suggestions for melody refinement.
Import existing scores from PDF or image files. Claude's vision capabilities extract the melody automatically.
Play and preview notes using the on-screen keyboard or your computer keyboard. Record your performances in real-time.
Import MIDI files from your DAW or download your compositions as standard MIDI files for further production.
Search your indexed score library using natural language. Get lead sheets and melody extractions instantly.
Fine-tune every note and duration in the text editor. Apply changes and see the score update in real-time.
Download your work as MIDI, JSON, TXT, or SVG. Share and use your compositions anywhere.
Practice with the built-in metronome. Tap tempo to set your preferred BPM for playback and recording.
Whether you're a beginner learning music theory or a professional composer sketching ideas, Blue River provides the tools you need.
Choose from a variety of synthesized instrument timbres for playback
Start composing your next masterpiece with AI-powered assistance and professional tools.
Launch Blue River Studio →