Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:4/4
K:Gdor
['F/ D<GG>A B>AG>F C>DF>G A<c B/A/G/F/ G>AB>c', 'B<GG3/2 A/ B>cd>B f>Bd>B A<cf>d c/B/A/G/ F>A', 'B<GG3/2 B/ g2 d>g (3dga (3bag f2', 'B<dG>d (3GBc']  
X:1
L:1/8
M:4/4
K:Gdor
 F/ | D<GG>A B>AG>F | C>DF>G A<c B/A/G/F/ | G>AB>c d>cB>d | c/B/A/G/ F>A B<GG3/2 :: A/ | 
 B>cd>B f>Bd>B | A<cf>d c/B/A/G/ F>A | B>cd<B f>Bd>B | c>AF>A B<GG3/2 :: B/ | g2 d>g (3dga (3bag | 
 f2 c>f (3cfg (3agf | g>fd>g d>cB>d | c/B/A/G/ F>A B<GG3/2 :| A/ | B<dG>d (3GBc (3dcB | 
 A>cF>c (3FAB c>A | B<dG>d (3GBc d>B | c>AF>A B<GG>A | (3Bcd G>d (3GBc (3dcB | A>cF>A (3FAB (3cBA | 
 B>df<b f>dB>d | c/B/A/G/ F>A B<GG3/2 |]  