Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:6/8
K:G
['GBd cec', 'gbg d2 g']  
X:1
L:1/8
M:6/8
K:G
|: c | BdB GBd | cec E3 | FAF DFA | GBG D3 | B/c/dB GBd | cec E2 G | FED AFD | G3- G2 :: B/c/ | 
 ded dBd | gbg d2 g | faf A3 | c>dc B2 c | ded dB/c/d | gbg d2 g |1 fed cAF | G3 G2 :|2 fed afd | 
 g3- g2 ||  