Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/16
M:2/4
K:G
['edBG FAfe dcBA', 'gfef gfef']  
X:1
L:1/16
M:2/4
K:G
 (3ded(^cd) bage | (3ded(^cd) edBG | FAfe dcBA | GFGA BABc | (3ded^cd bage | (3ded^cd edBG | 
 FAfe dcBA | G2g2G2 z2 ::{ef} gfef gfef | gfef gfeg | fede fede | fede fefa | gfef gfef | 
 gfef gabc' | d'bc'a bgaf |1 gbaf e2 z2 :|2 gbaf g2 z2 ||  