Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:C
['C E E F G A E', 'C E E F G A E/D/']  
X:1
L:1/8
M:4/4
K:C
 C | E E F G | A G"^(a)" E !fermata!C | G3/2 E/ G3/2 A/ | B G !fermata!c G | c c F G/A/ | 
 _B A G/E/ !fermata!C | E3/2 E/ D F | A G !fermata!C || C | E E F G | 
 A G"^(a) var." E/D/ !fermata!C | G3/2 E/ G3/2 A/ | B G !fermata!c G | c c F G/A/ | 
 _B A G/E/ !fermata!C | E3/2 E/ D F | A G !fermata!C |]  