Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:4/4
K:G
['F E']  
X:1
L:1/8
M:4/4
K:G
 d d A/ E/ | G/ A/ d2 | G e d | B/ A/ G B3 A F E | G, E/ D/ B,2 | A3/2 G/ A A2 | d G F E | 
 D/ E/ D2 |]  