Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/4
K:D
['dc/d/ ef/e/ dc/B/ AB/c/', 'z a gA Ag fA Af eA', 'GG BB d>c BA', 'cA Af gd dd/d/']  
X:1
L:1/8
M:2/4
K:D
 (3(A/B/c/) | dc/d/ ef/e/ | dc/B/ AB/c/ | de fg | fe aA | dc/d/ ef/e/ | dc/B/ AB/c/ | df ea | 
 d2 z :: a | gA Ag | fA Af | eA Bc | df a/a/a | gA/A/ Ag/g/ | fA/A/ Af/f/ | eA/A/ AB/c/ | d2 z :: 
[K:G] D | GG BB | d>c BA | GG AB | c>B AD | GG BB | d>c BA | GA BA | GG G :: d/d/ | cA Af | 
 gd dd/d/ | cA Af | gd dd/d/ | cd/c/ Bc/B/ | AB/A/ GG | A/B/c/A/ GF | GG G :|  