Provides a quick and easy way to hear pitches for any written notes or piano keys you need. Hear intervals and chords with up to 5 notes on the iPhone, 12 notes on the iPad. Support for Key Signatures to more easily find a pitch in the music you're working on. An indispensable tool for a cappella groups, and instrumentalists who often play in ledger lines or alternate clefs. If you don’t read music well and need to learn a melody or harmony part, you can simply match what’s written…