Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:4/4
K:D
['d2 c2 d4']  
X:1
L:1/8
M:4/4
K:D
|:"D" d2 d2"Em" edcB |"A" A6 A2 |"G" B2{c} d2"A7" d2 c2 |"D" d4 d4 :|"D" a3 g"^(Bm)" fgaf | 
"Em" g3 f"^(A7)" efge |"Bm" f3 e"Bm" defd |"A7" e3 d"A7" cdec || |"G" d3 c"G" BcdB | 
"A" c3 B A2 A2 |"G" B2 d2"A7" d2 c2 |"D" d4 d4 |]  