Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:2/2
K:C
['cded cBAG', 'gage{d} cBcd']  
X:1
L:1/8
M:2/2
K:C
 B | cded cBAG | Addc dcAB | cded cBAG | AcGE EDDB | cded cBAG | Addc dcAB | cABG AFGE | 
 FDGF ECC || f | gage{d} cBcd | ea{b}ag agef | gage{d} cBcd | eaag edde | gage{d} cBcd | 
 ea{b}ag agef | gefd ecdc | Bcdf ecc |]  