Formulate chord groupings that elevate the harmonious elements of the presented musical composition.
K:G] d2 e/d/ | B3 | d2 e/d/ | c3 | A2 D | A2 B | A2 G | G z z | d2 e/d/ | B3 | 
 d2 e/d/ | c3 | A2 D | B2 A | G3/2 G/ G | G z z |: D G/G/ G | F E D | c/c/ c F | 
 B/B/ B G | D G/G/ G | F E D | c/c/ c F | G z z :|[K:C] G z c | c z G | B z A | 
 F3 | B z A | F3 | A z G | G ^F =F | G z c | c z G | B z A | F3 | B z A | G2 B | 
 c3/2 c/ c | c z z |  
X:1
L:1/4
M:3/4
K:none
[K:G]"G" d2 e/d/ | B3 |"D7" d2 e/d/ | c3 | A2 D | A2 B |"G" A2 G | G z z | d2 e/d/ | B3 | 
"D7" d2 e/d/ | c3 | A2 D | B2 A |"G" G3/2 G/ G | G z z |:"G" D G/G/ G |"D7" F E D | c/c/ c F | 
"G" B/B/ B G | D G/G/ G |"D7" F E D | c/c/ c F |"G" G z z :|[K:C]"C" G z c | c z G |"G7" B z A | 
 F3 | B z A | F3 |"C" A z G | G ^F =F | G z c | c z G |"Dm" B z A | F3 |"G7" B z A | G2 B | 
"C" c3/2 c/ c | c z z |]  