Develop diverse chord patterns to increase the melodic richness of the submitted musical excerpt.
|: D2 FD ADFA | defd BABc | dBBA dBBA | FADE FE E2 | D2 FD ADFA | 
 defd BABc | dBBA FAdB | AFEG FD D2 :: d2 de f2 fg | afdf gfed | 
 cdef gebe | gebe gfef | dcde fefg | afdf gfed | cdef gbag | 
 fdec d3 e | fdec d2 de | fded BABc | dBBA dBBA | FADE FE E2 | D2 FD ADFA | 
 defd BABc | dBBA FAdB | AFEG FD D2 :|  
X:1
L:1/8
M:4/4
K:D
|:"D" D2 FD ADFA |"D7" defd"G" BABc | dBBA dBBA |"D" FADE"A7" FE E2 |"D" D2 FD ADFA | 
"D7" defd"G" BABc | dBBA"D" FAdB |"A7" AFEG"D" FD D2 ::"D" d2 de f2 fg | afdf gfed | 
"Em" cdef gebe | gebe"A7" gfef |"D" dcde fefg | afdf"D7" gfed |"G" cdef"Em" gbag | 
"A7" fdec"D" d3 e |"D" fdec d2 de | fded"G" BABc | dBBA dBBA |"D" FADE"A7" FE E2 |"D" D2 FD ADFA | 
"D7" defd"G" BABc | dBBA"D" FAdB |"A7" AFEG"D" FD D2 :|  