About FastChords, This is a tool to learn new songs on the keyboard or piano. With this chord calculator and optimizer, the beginner or advanced player can create and print a table of all the chords of a song for reference while playing. You can even let Fastchords find the optimal chord configuration to simplify playing one chord after another. It has the ability to transpose entire songs, to play chords and melody notes, to play scales, to identify chord names from piano keys played, to recognize chord synonyms, to handle slash chords, and to incorporate both melody lines and chords in the printed output.