Here are the steps of playing Solfeggio Chords.
1) For the first song Solfeggio Chords in G major - Zhuchka, press S to listen the song. Next, play L and then play LH.
2) From the second song onwards, press S to listen the song and then play LH. The playing should be not more than 3 mistake.
3) Repeat step 2 if there are more than 3 mistake.