Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:6/8
K:A
['cAA eAA', 'c3 cBA dcd a2 d c3']  
X:1
L:1/8
M:6/8
K:A
 cAA eAA | aga e2 d | cAA eAA | Bcd Bed | cAA eAA | aga e2 d | cBc BAB | cAA A2 B :: c3 cBA | 
 dcd a2 d | c3 ecA | Bcd BAB | c3 cBA | dcd a2 d | c3 BAB | cAA A2 B :|  