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
['(3(GBG) (3(FAF) (3(EGE) D>G B>FG>B A>GE>D G>Bd>g', 'e>B (3(BBB)']  
X:1
L:1/8
M:4/4
K:G
 (3(DEF) | (3(GBG) (3(FAF) (3(EGE) D>G | B>FG>B A>GE>D | G>Bd>g e>cA>F | G>gf>e (3(ded) (3(cBA) | 
 (3(GBG) (3(FAF) (3(EGE) D>G | B>FG>B A>GE>D | G>Bd>g e>cA>F | G>B (3(AGF) G2 :: (3(Bcd) | 
 e>B (3(BBB) g>B (3(BBB) | e>Bg>B e>B (3(BBB) | d>A (3(AAA) f>A (3(AAA) | d>gf>e (3(ded) (3(cBA) | 
 (3(GBG) (3(FAF) (3(EGE) D>G | B>FG>B A>GE>D | G>Bd>g e>cA>F | G>B (3(AGF) G2 :|  