Develop diverse chord patterns to increase the melodic richness of the submitted musical excerpt.
"^A" |: DC | B,DGA B2 DC | B,DGA"^(E7)" B2 AG | FGAB cAFA |1,3 GABc d2 :|2,4 
 GBAF G2 :|"^B" |: Bd | gddg ddgd | Bcde"^(E7)" dBAG | FGAB cAFA |1,3 
 GABc d2 :|2,4 GBAF G2 :|  
X:1
L:1/8
M:2/2
K:G
"^A" |: DC |"G" B,DGA B2 DC | B,DGA"^(E7)" B2 AG |"D" FGAB cAFA |1,3"G" GABc"D7" d2 :|2,4 
"D" GBAF"G" G2 :|"^B" |: Bd |"G" gddg ddgd | Bcde"^(E7)" dBAG |"D" FGAB cAFA |1,3 
"G" GABc"D7" d2 :|2,4"D" GBAF"G" G2 :|  