Reverse chord computations at your fingertips! Find the chord symbols that match key combinations on the piano keyboard, or annotated music in music scores.

Easily annotate the staff with our unique tap and slide interface, or use the included super cool chords calculator to produce a vast number of chords.

Matching chords are correctly annotated on the staff following strict music theory rules.

Great for casual and serious music students and composers of all levels.

FASTCHORDS COMPOSER Features
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* reverse chord computation based on annotated staff.
* reverse chord computation based on played piano keys.
* automatic and correct staff annotation of chords.
* easy touch and slide interface to position staff notes.
* easy touch and slide interface for chord root changes.
* easy chord inversions and signature key changes.
* ability to save favorite chord sequences..
* 5-octave keyboard display.

FASTCHORDS(™) (included Chords Calculator)
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* familiar calculator-style interface
* customizable keys to match chord symbols
* vast library of over 300 chord symbols
* ability to construct slash chords
* easy chord inversions
* 5-octave keyboard display
* great sound.