Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:D
['d3 e', 'efg/f/e dcdf eAce cAde f2 ge d3', '', 'GFGA BdcB A3 g gBBB BAGB AGFG', 'ABcA dge/f/g defg f2 cf Acfa gfdc']  
X:1
L:1/8
M:4/4
K:D
 d3 e fdAF | G2 FG Addd | AGFG Adde | cAde fag/f/e | fag/f/e fag/f/e | d2 df e2 dc | AGFG Addc |1 
 d3 c ABc/B/A :|2 d3 e fag/f/e |: d3 d cege | fddd efg/f/e | dcdf eAce | cAde f2 ge | d3 d cege | 
 fddd ABce | dcdf eABc | d3 e fag/f/e :|[K:G] df |: gBBB BAGB | dcBA GFGE | DEDG GFGA | BdcB A3 g | 
 gBBB BAGB | AGFG ABcA | BcdB cagf | edef g2 g z :: f2 cf Acfa | gfdc cBGB | ADFD ABcA | 
 dge/f/g defg | f2 cf Acfa | gfdc cBGB | ADFD ABcA |1 dge/f/a g3 g :|2 dge/f/a g4 |]  