Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/4
M:4/4
K:D
['A A']  
X:1
L:1/4
M:4/4
K:D
 D | D F A A | A2 F A | B A G F | A2 z D | D F A A | A2 F A/ A/ | B A G F | A2 z D | D F A A | 
 A2 F A/ A/ | B A G F | E F G E | A2 D/ D/ D | C A,2 G/ A/ | B2 E/ E/ D | C A,2 A/ A/ | A A A A | 
 A2 D D | G2 F/ F/ E | D2 ||  