Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/16
M:2/4
K:F
['cdef cAFA BcdB ABcA GABG FEFA', 'dAAA dAde']  
X:1
L:1/16
M:2/4
K:F
 AB | cdef cAFA | BcdB ABcA | GABG FEFA | GFED C2(AB) | cdef cAFA | BcdB ABcA | GABG FEFA | 
 c^cde f2 :: fe | dAAA dAde | fgaf gece | dAAA dAde | fage defd | cGGG cGcd | ecd=B cBAG | 
 A=Bcd efgf | ecd=B c2 :|  