Formulate a harmonious orchestration conforming to the preset chord arrangement.
'C', 'G7', 'C', 'C', 'G', 'D7', 'G'  
X:1
L:1/8
M:2/4
K:C
"C" gg g>f | ee e>d | ce ae |"G7" g2 f2 | ff f>e | dd d>c |1 Bd gd |"C" f2 e2 :|2 Bd gB | 
"C" c2 c2 |:[K:G]"G" Bd d2 | GB B2 | B>B AG |"D7" FA A2 | ce e2 | df f2 | df/e/ df |"G" gg g z :|  