Sonata

Setlist

CHORD & LYRIC EDITOR # Section • [Chord] inline

QUICK START

Start Writing Your Song

Type chords above lyrics or use inline brackets like [G]. Click syntax tags to insert:

LIVE CHART PREVIEW

Music Analysis & Transposition

0 lines

Detected KeyUnknown

Active KeyAuto

Chords0

Transpose0

Key override

Transpose semitones

Metronome

Stopped

Export & Sharing

Page Orientation

Columns

Virtual Piano

Highlight key:

Scroll horizontally to view more octaves. Touch and hold keys to sustain the note.

Fretboard

The leftmost column is the open string (nut). Touch and hold frets to sustain the note.

Reference Tuner

Click to hear reference pitch

About Sonata

Sonata

Created by Jethro Frane to help church musicians collaborate seamlessly and eliminate stage friction.

"So whether you eat or drink or whatever you do, do it all for the glory of God." — 1 Cor 10:31

Interface Showcase

Key Features

100% Offline

Sonata is a Progressive Web App (PWA). Once loaded, it works entirely offline. Install it on your phone or tablet for the stage.

AI Co-Writer

Powered by Gemini 3.6 Flash. Transpose, rewrite, or arrange chords instantly using the built-in AI assistant. Includes a smart Undo feature and efficient Reply quoting to save your API tokens.

Zero-Friction Sharing

Share songs instantly via QR codes or ultra-short links without needing accounts or centralized databases.

Stage Ready

Distraction-free fullscreen presentation mode with smooth auto-scroll, customizable metronome, and true-black stage theme.

Detailed Features

Chord & Lyric Editor

Dual Format Support: Works with both traditional chord lines and inline bracket chords.
Clean Markdown Syntax: Use # for titles, ## for sections, and --- for dividers.
Live Transposition & Capo: Transpose semitones up/down instantly with automatic enharmonic spelling.
Notation Formats: Switch between Standard Chords, Roman Numerals, and Nashville Number System.

Song Library & Setlists

Fast Search & Filtering: Filter by song key, artist, or tags with instant search.
Multi-Song Setlists: Create custom worship sets and gig setlists.
Quick Import & Export: Export your entire library as JSON backups.

Music Theory & Interactive Tools

Interactive Circle of Fifths: Click any key to hear 3-note harmonic audio synthesis.
Virtual Instruments: Piano, 6-String Guitar, 4/5-String Bass, and Ukulele.
Digital Chromatic Tuner: Built-in microphone tuner with visual pitch cents needle.
Metronome: Tap tempo, adjustable BPM, and custom time signatures.

Privacy & Security

Zero Centralized Database: Sonata does not store or process your songs on external company servers.
Isolated Google OAuth 2.0: Uses the restricted `drive.file` scope—Sonata can only access the files it creates in your Google Drive.
No Telemetry / No Trackers: 100% private, open, and client-side.

Release Notes

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