How to play July Morning.
Observes and memorize 5 guitar chords. Then position them on a song diagram. The song is "July Morning" from Uriah Heep band. When all chords are set, a play button will appear to run an amateur try of the song.
Know 4 simple chords which fit the song.
Winning the game rewards +1 Knowledge Level
The download version(bottom of the page) include an executable file for Windows OS with local levels only.
Here is a gameplay movie of p42 chord games on YouTube.