Learn piano with real sheet music - the smart way to practice. Crescendo displays professional piano notation and provides instant visual feedback as you play.

Crescendo displays professional sheet music and listens as you play. Connect a MIDI keyboard or use your device's microphone with an acoustic piano. See exactly which notes you hit. The cursor waits for you to play correctly before moving forward, so you learn at your own pace.

PRACTICE MODE
• Real-time MIDI and microphone input
• Focus on right hand, left hand, or both
• Loop any section with A-B repeat markers
• Built-in metronome with tap tempo
• Add fingering annotations directly on the score
• See session duration and accuracy when you finish

DISCOVER
• Browse a growing catalog of classical and popular pieces
• Download scores directly to your library
• Search by title, composer, or collection
• New pieces added weekly

SHEET MUSIC DISPLAY
• Professional notation powered by OpenSheetMusicDisplay
• Vertical or horizontal scroll modes
• Tap anywhere to jump to that position
• Pinch to zoom or use controls to resize
• Supports MusicXML, MXL, MIDI, MuseScore, LilyPond, and PDF

LIBRARY & ORGANIZATION
• Import from files or paste a URL
• Cloud storage support (Dropbox, Google Drive, GitHub)
• Create folders to organize your collection
• Edit title, composer, difficulty, and notes
• Search your library instantly

PROGRESS TRACKING
• Calendar heatmap shows practice frequency
• Coverage visualization for each piece
• Daily and weekly goals with streaks
• Per-piece statistics: time, accuracy, progress
• Session history with accuracy trends

CUSTOMIZATION
• Five themes: Auto, Light, Dark, Sepia, High Contrast
• Practice reminders at your preferred time
• Screen stays on during practice
• Configurable default settings
• Available in English, Spanish, and Chinese

LEARNING RESOURCES
• Music symbol glossary with 40+ notation symbols
• Interactive tutorials for navigation and features
• Guided onboarding to get started quickly

Works with any MIDI keyboard (USB or Bluetooth) or acoustic piano (via microphone).