Compose musical works that follow the assigned chord alterations.
'G', 'D', 'G', 'C', 'G', 'C7', 'G', 'D7', 'G', 'G', 'C', 'G', 'C', 'G', 'E7', 'G', 'D7', 'G'  
X:1
L:1/8
M:6/8
K:G
|:"G" gfg"D" def |"G" gfg d3 |"C" ece"G" dBd |1,3"C7" cBc"G" d2 B :|2,4"D7" cBA"G" G3 :: 
"G" G2 A BAB |"C" cBc"G" dBd |"C" c2 e"G" ded |1,3"E7" cBA"G" B2 G :|2,4"D7" cBA"G" G3 :|  