Develop diverse chord patterns to increase the melodic richness of the submitted musical excerpt.
C |: CE EG Gc cd | ee dc G3 z | ed dc cB BA | AG GF F3 F | FG Gd dc c=B | 
 =BA AG GF FE | EF FE GF ED |1 E6 z C :|2 (C4 C)G cd |: e3 d ed c=B | 
 c2 G6 | c=B c=B c_B AG | GA F6 | FG Gd dc c=B | =BA AG GF FE | 
 EF FE GF ED |1 (E4 E)G cd :|2 C8 ||  
X:1
L:1/8
Q:1/4=107
M:4/4
K:Cmin
 C |:"Cm" CE EG Gc cd | ee dc G3 z | ed dc"C7" cB BA |"Fm" AG"C7" GF"Fm" F3 F |"G7" FG Gd dc c=B | 
 =BA AG GF FE |"Ab" EF FE"G7" GF ED |1"Cm" E6 z C :|2"Cm" (C4 C)G"G7" cd |:"Cm" e3 d"G7" ed c=B | 
"Cm" c2 G6 | c=B c=B"C7" c_B AG |"Fm" GA F6 |"G" FG Gd dc c=B |"G7" =BA AG GF FE | 
"Ab" EF FE"G7" GF ED |1"Cm" (E4 E)G"G7" cd :|2"Cm" C8 ||  