Assemble a variety of chord formations to deepen the harmonic essence of the given musical passage.
G3 | A3 | G2 c | e2 z | G2 e | A2 f | G2 e | c B c | d3 | d ^c d | e3 | 
 e f ^f | g c d | e2 d | c3 |[K:G] c z z |:{/^c} d{/^c} d{/^c} d | e2 d | 
{/^c} d{/^c} d{/^c} d | e2 d | e z e | z d c |1 B z B | z A G :|2 B3/2 G/ G | G z z || 
[K:C]{/A} G ^F G |{/A} G ^F G | A2 G | F2 z |{/G} F E F |{/G} F E F | G2 F | E2 z | 
{/A} G ^F G |{/A} G ^F G | f2 e | e2 c |{/c} B ^A B | G e d | c3 | c z A |:[K:F] c3 | 
 c B A | G3 | z2 B | d3 | d c B | (A3 | A) z F | f3 | f e d | c3 | ^c d3/2 A/ | 
 B3 | =B c3/2 E/ | F3/2 f/ f |1 f z A :|2 f z z |]  
X:1
L:1/4
M:3/4
K:C
"C" G3 |"F" A3 |"C" G2 c | e2 z | G2 e |"F" A2 f |"C" G2 e | c B c |"G7" d3 | d ^c d |"C" e3 | 
 e f ^f | g c d |"G7" e2 d |"C" c3 |[K:G] c z z |:"G"{/^c} d{/^c} d{/^c} d | e2 d | 
{/^c} d{/^c} d{/^c} d | e2 d |"D7" e z e | z d c |1"G" B z B | z A G :|2"G" B3/2 G/ G | G z z || 
[K:C]"C"{/A} G ^F G |{/A} G ^F G |"F" A2 G | F2 z |"G7"{/G} F E F |{/G} F E F |"C" G2 F | E2 z | 
{/A} G ^F G |{/A} G ^F G |"F" f2 e | e2 c |"G7"{/c} B ^A B | G e d |"C" c3 | c z A |:[K:F]"F" c3 | 
 c B A |"C7" G3 | z2 B | d3 | d c B |"F" (A3 | A) z F |"Bb" f3 | f e d |"F" c3 | ^c d3/2 A/ | 
"C" B3 | =B c3/2 E/ |"F" F3/2 f/ f |1 f z A :|2 f z z |]  