Features: * Assistant in the preparation of guitar tabs; * Assistant to transpose the tabs; * Support for many guitar tunings; * The collection of chords; * Recognition of chords; * Support for various instruments midi; * Making and playing music (based on the notes or chords); * Load mid-file as song; * 8 octave piano; * 24 frets in a guitar neck; * More than 100 MIDI instruments; * Over 200 chords in the database.