Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:Amix
['d2 e2', '(3a^gf (3ef^g', 'A,/A,/A, E2', '(3a^gf (3ef^g (3aed (3cBA']  
X:1
L:1/8
M:4/4
K:Amix
 A2 c<Ae>A c<A | B/B/B d<Bg>B d<B | A/A/A c<ea>e c<e |1 d2 e2 c<AA>B :|2 d2 e2 c<AA>^g || 
 (3a^gf (3ef^g a>e c<A | (3gfe (3def g>d B<G | (3a^gf (3ef^g a>e c<A | d2 e2 c<AA>^g | 
 (3a^gf (3ef^g (3aed (3cBA | (3gfe (3def (3gd=c (3BAG | (3=cB=c (3d=cd (3ef^g (3a^gf | 
 (3edc (3dcB c<AA>G, || A,/A,/A, E2 A,/A,/A, E2 | G,/G,/G, D2 G,/G,/G, D2 | 
 A,/A,/A, E2 A,/A,/A, E2 | G,/G,/G, D2 A,/A,/A, E2 :| (3a^gf (3ef^g (3aed (3cBA | 
 (3gfe (3def (3gd=c (3BAG | (3a^gf (3ef^g (3aed (3cBA | d2 e2 c<AA>^g | (3a^gf (3ef^g (3aed (3cBA | 
 (3gfe (3def (3gd=c (3BAG | (3=cB=c (3d=cd (3ef^g (3a^gf | (3edc (3dcB c<A A2 ||  