Search and study any imaginable chords and scales!Designed for experienced composers and musicians, but also can be a great help to students.Common uses:- Consult the notes up any chord or scale.- Consult the chords that can be played on any scale.Features:- Mode keyboard / piano.- Mode guitar / bass / ukulele / banjo / violin / viola. (Any tuning is possible).- Search of scales and chords by name.- Search of scales and chords from his notes.- Preview (sound) scales and chrods.- Free playing mode (sound mode).- Comparison of scales and chords.- Save, Open, export in PDF format and share annotations with others..