Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:3/8=120
M:6/8
K:A
['efe Bcd d2 c aec', 'geg aea geg a2 e geg']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:A
 Acd | efe Bcd | d2 c aec | afd cBA | e3 Ace | efe Bcd | d2 c aec | afe dcB | A3 :: geg | aea geg | 
 a2 e geg | aed cBA | e3 geg | aea geg | a2 e geg | afe dcB | A3 :|  