Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:3/4
K:A
['D- D2 DA f>d d<c ce a2-', 'c>A B2']  
X:1
L:1/8
M:3/4
K:A
 D- |:"D" D2 DA f>d |"A" d<c ce a2- |"E" ag/a/ ba g>e |"D" g2 fd"A" e2 |"D" A2 fd"A" c>A | 
"D" d2 df"A" e2 |"D" A2 fd"E" c>A | (3EGB"A" A4 ::"A" e2 dc B>A |"^(E)" (3BAB cB"A" A2 | 
"A" E2 EA c>A |"E" B2 Bd"A" c>[eA] |"D" f2 fe/d/"A" c>[eA] | a2 ae/d/ c>A |"E7" B2 Bd c>A | 
 (3EGB"A" A4 :|  