Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
Q:3/8=120
M:6/8
K:D
['DFD DFD', 'D2 g fef d2 e fga B2']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:D
 B | c2 D DFD | DFD d2 c | B>cd AFA | BGE E2 d | AFD DFD | DFD B2 A | B>cd AFd | AFD D2 :: g | 
 fef d2 e | fga B2 A | B>cd AFA | BGE E2 f/g/ | afa geg | fdf ece | d>cB AFd | AFD D2 :|  