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
['z z2', '(dcd) e3']  
X:1
L:1/8
M:6/8
K:G
 (d/e/4f/4) | (gd).d (ec).c | (dB) z z2 (d/e/4f/4) | gdd ecc | dB z z2 B |{c} BAB G2 B | 
 d^cd A2 G | FAd GBe | Adf Beg | fed ^cBc | d2 d d2 |: B/c/ | (dcd) e3 | (dcd) e3 | (dB)B (cA)A | 
 (BG)G G2 :|  