Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:2/2
K:D
['DE |]: F3', 'FEDE FAAB AFED d2 (3efg fdec', 'FAEA D3']  
X:1
L:1/8
M:2/2
K:D
 DE |]: F3 G FEDE | FAAB AFED | d2 (3efg fdec | dBAF BE E2 | F2 FG FEDE | FAAB AFED | 
 d2 (3efg fdec |1 dBAG FDDE :|2 dBAG FDFA |: d2 AG FDFA | dfaf gfeg | fAdf eAce | dfed cAAc | 
 BEGB ADFA | dfaf gfed | (3Bcd ce dBAG |1 FAEA D3 c :|2 FAEA D3 E |]  