Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:2/2
K:G
['GABc dBGB', 'G2 GggG FffF EeeE DddD EeFf GgAa', 'f>ef>d e>de>c d2 B2 c>Bc>d e>fg>B c>Ad>d', 'a>ga>f gfga f2 f2 g>fg>e ^d>BB>f g>ee^d', 'B>cd>e c>BA>d B>A G2 B>AB>c d>ef>g abeg', 'G2 (F/G/A/B/) (c/A/B/G/) AF D2 (G/A/B/c/) (d/B/c/e/)', 'GG (F/G/A/B/) (c/A/B/G/) Ad D2 (g/f/).g/.d/ BB']  
X:1
L:1/8
M:2/2
K:G
|: GABc dBGB | ecAc dBA<G | GABc dBGB | cAGF G2 G2 :: GggG FffF | EeeE DddD | EeFf GgAa | 
 agfe d3 d | ecce egge | dBBd dggd | eccA dBBG | cAAF G2 G2 |]:[M:2/2][K:G] g>fg>a f>ef>d | 
 e>de>c d2 B2 | c>Bc>d e>fg>B | c>Ad>d G/(G/G G2) :| b>ab>c' a>ga>f | gfga f2 f2 | g>fg>e ^d>BB>f | 
 g>ee^d e2 e2 |] E>FG>A B>cd>e | c>BA>d B>A G2 | B>AB>c d>ef>g | abeg fe"^Da Capo" d2 |]: 
[M:2/4][K:G] (G/A/B/c/) (d/B/c/e/) | dB G2 | (F/G/A/B/) (c/A/B/G/) | AF D2 | 
 (G/A/B/c/) (d/B/c/e/) | dg b2 | (a/b/a/g/) (d/e/f/d/) | gg g2 :: (g/f/).g/.d/ BB | 
 (d/c/).d/.B/ GG | (F/G/A/B/) (c/A/B/G/) | Ad D2 | (g/f/).g/.d/ BB | (d/c/).d/.B/ GG | 
 (c/d/e/f/) (g/e/f/c/) | (d/c/d/e/) (e/c/"^Da Capo" B/A/) |]  