Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:6/8
K:D
['D>ED F2 G A2', 'f2 g |{fg} a2 g fed']  
X:1
L:1/8
M:6/8
K:D
 A, | D>ED F2 G | A2 c AFD | G2 e F2 d | EFD C>B,A, | D>ED F2 G | A2 B AFD | FdF Edc | d3 D2 :: A | 
 d>ed f2 g |{fg} a2 g fed | BcB c2 d | efd cBA | ded f2 g |{fg} a2 g fed |1 B/c/dB c/d/ec | 
{c} d3 D2 :|2 Bgf edc |{c} d3 D2 ||  