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
['B2 g', 'G (g>a)b d2{c} B (g>a)b{d} c2 A']  
X:1
L:1/8
M:6/8
K:G
 (G>A)B B2 g | (d>c)B A2 B | G>AB B2 g | (d>c)B{B} A2 G | (G>A)B B2 g | d>cB A2{Bc} B | G>AB B2 g | 
 d>cB{B} A2 G || (g>a)b d2{c} B | (g>a)b{d} c2 A | (g>a)b (e>f)g | d>cB{B} A2 G | (g>a)b d2{c} B | 
 (g>a)b{d} c2 A | (g>a)b (e>f)g | d>cB{B} A2 G ||  