Produce a musical work centered around the designated sequence of chords.
'C', 'G7', 'C'  
X:1
L:1/8
M:2/4
K:none
[K:C]"C" GG !>!G2 | EE !>!E2 | CE A>G |"G7" G2 F2 | FF F>E | DD D>C | B,D A>G |"C" C2 C2 :|  