Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
Q:1/8=100
M:4/4
K:C
['c2 cB A2 GE']  
X:1
L:1/8
Q:1/8=100
M:4/4
K:C
"^moderate" D2 | c2 cB A2 GE | GABd e2 cd/e/ | f2 ed e>fge | d>cBc d2 de | f2 ed efg>f | 
 ecdc A2 Ge/d/ | c2 cB A2 GE | GAce/d/ c4 |]  