Create a set of chord combinations that enhance the harmony of the submitted musical composition.
K:C] GG |: G2e2 edcB | A2f2 fedc | B2a2 g2B2 | cdef g2GG | G2e2 edcB | A2f2 fedc | 
 B2a2 g2B2 |1 c2e2 c2GG :|2 c2e2 c2 z2 |: Bcde f2dB | cdef g2gg | a2f2 f2ed | 
 g2e2 edc2 | Bcde f2dB | cdef g2gg | b2a2 gfed |1 c2e2 c2 z2 :|2 c2e2 c2cc |: 
[K:F] f2e2 e2>d2 | d2c2 a2cc | c2B2 GABc | d2c2 A2cc | f2e2 e2>d2 | 
 d2c2 A2cc | c2dc =Bcag |1 f2f2 f2cc :|2 f2f2 f2 z2 |  
X:1
L:1/16
M:2/4
K:none
[K:C] GG |:"C" G2e2 edcB |"F" A2f2 fedc |"G7" B2a2 g2B2 |"C" cdef g2GG | G2e2 edcB |"F" A2f2 fedc | 
"G7" B2a2 g2B2 |1"C" c2e2 c2GG :|2"C" c2e2 c2 z2 |:"G7" Bcde f2dB |"C" cdef g2gg |"G7" a2f2 f2ed | 
"C" g2e2 edc2 |"G7" Bcde f2dB |"C" cdef g2gg |"G7" b2a2 gfed |1"C" c2e2 c2 z2 :|2"C" c2e2 c2cc |: 
[K:F]"F" f2e2"Bb" e2>d2 |"F" d2c2 a2cc |"C7" c2B2 GABc |"F" d2c2 A2cc | f2e2"Bb" e2>d2 | 
"F" d2c2 A2cc |"C7" c2dc =Bcag |1"F" f2f2 f2cc :|2"F" f2f2 f2 z2 |]  