Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
['c (B/c/d)B d2 B AFA (A/B/c)A (B/c/d)B', '(B/c/d)B dBg']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 c | (B/c/d)B d2 B | AFA (A/B/c)A | (B/c/d)B dcB | cBA G2 :: c | (B/c/d)B d2 g | fef ABc | 
 (B/c/d)B dBg | f3 A3 | (B/c/d)B dBg | f2 A- ABc | dcB cBA | G3- G2 :|  