Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:3/4
K:D
['cBA cBA', 'A3 F3']  
X:1
L:1/8
M:3/4
K:D
 A | dcd | FED | dcd | E3 | cBA | cBA | cBA | F2 A | dcd | FED | dcd | E3 | cBA | cBA | GFE | D3 || 
 A3 | F3 | B3 | G3 | G2 G | E2 B | B2 A | F3 | A3 | F3 | G3 | B2 B | cBA | GFE | DFA | d2 ||  