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
['(3cdc (3BdB Gd DG B,G F2E2 E2AG', '(3BcBA2 BGdc F2>G2']  
X:1
L:1/16
M:2/4
K:G
 (3cdc |:"G" (3BdB Gd DG B,G |"C" F2E2 E2AG |"D7" FGAB cAEF |"G" (3ABA GB d2>G2 | 
 (3BdB Gd DG (3B,DG |"C" F2E2 E2AG |"D7" FGAB cAEF |"G" G2G2 G2>G2 :|"G" (3BcBA2 BGdc | 
 B2A2"D" F2>G2 | A2(3GAG EFGA |"G" (3BcB GB"D" d2>A2 |"G" (3BcBA2 BGdc | B2A2"D" F2>G2 | 
"C" A2 (3GAG F2(3EFE |"D" D2d2 d2 z2 ||  