Compose harmonious chord progressions to enhance the existing musical composition.
B | AFD DFA | ded cBA | BGE EFG | B2 A Bcd | AFD DFA | ded cBA | 
 Bcd ecA | d3 d2 :: g | f2 d ded | faa afd | cAA eAA | cAc efg | f2 d ded | 
 faa afd | Bcd ecA | d2 d d2 :|  
X:1
L:1/8
Q:3/8=80
M:6/8
K:D
 B |"D" AFD DFA | ded"A7" cBA |"G" BGE EFG |"A7" B2 A Bcd |"D" AFD DFA | ded"A7" cBA | 
"G" Bcd"A7" ecA |"D" d3 d2 :: g |"D" f2 d ded | faa afd |"A7" cAA eAA | cAc efg |"D" f2 d ded | 
 faa afd |"G" Bcd"A7" ecA |"D" d2 d d2 :|  