Formulate a coherent chord sequence that corresponds to the given music composition.
|: d3 d3 | dcB ABc | dcB AGF | G2 F E2 D | e3 e>fg | fed eag | 
 fef d2 A | def e2 d :: fed eAA | fed eAA | gfe fBB | gfe fBB | 
 fed eAA | fed eag | fef d2 A | def e2 d :: dfa dfa | dfa afd | egb egb | 
 egb bge | dfa dfa | dfa a2 g | fed d2 A | def e2 d :|  
X:1
L:1/8
M:6/8
K:D
|:"D" d3 d3 | dcB"A" ABc |"D" dcB"A" AGF |"A7" G2 F"E7" E2 D |"A" e3 e>fg |"D" fed"A" eag | 
"D" fef d2 A | def"A" e2 d ::"D" fed"A" eAA |"D" fed"A" eAA |"G" gfe"D" fBB |"G" gfe"D" fBB | 
"D" fed"A" eAA |"D" fed"A" eag |"D" fef d2 A | def"A" e2 d ::"D" dfa dfa | dfa afd |"Em" egb egb | 
 egb bge |"D" dfa dfa | dfa"A7" a2 g |"D" fed d2 A | def"A" e2 d :|  