Find Keys, useful for piano and guitar players

This app contains the most useful and unique tools for piano and guitar players and song writers. You can easily find the key of your song with chords or notes.

FEATURES:

• simple user-interface similar to play piano keys

• find the next compatible key to your song notes
play the notes of your song and see the compatible keys to the notes.

• find the next compatible key to your song chords
select the chords of your song and see the compatible keys to the chords.

• see the chords of a key
select the key and see the chords.

• see the notes of a key
select the key and see the notes.
there is a switch to see only the pentatonic notes.