Realbook Master - Sanghyun Park

The sheet music app that understands real live musicians. Swipe up or down to change keys on the fly - because the show MUST GO ON! Built for any musicians who perform live. Whether you're on stage, in rehearsal, or playing at church, Realbook Master gives you the instant freedom.

Features : 1. Change Keys Instantly - Swipe up/down to transpose in real-time - Export your transposed version as MusicXML or PDF to share with bandmates

2. Transposing Instrument Support - One-tap transposition for Bb Trumpet, Eb Alto Sax, F Horn, and more - Bass mode automatically converts to bass clef and adjusts octave range - Eliminate manual transposition during rehearsals and gigs

3. Performance-Ready Setlists - Build setlists for your gigs and organize songs by performance - Share your setlists with band members via AirDrop 

4. Optimized for Live Performance - Dark mode designed to eliminate glare on dark stages - Customizable themes for different venue lighting - One-tap lyrics toggle for singers - Quick access to favorites during performances

5. Professional Workflow - MusicXML format support - Fast search when you need to pull up a chart quickly - Easy navigation between songs mid-performance - Export and collaboration tools

Perfect for: - Jazz musicians who need quick key changes - Wind players tired of transposing manually - Church musicians managing large song libraries - Bassists who need proper clef and range - Any performer who values speed and flexibility on stage