Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
Q:1/8=232
M:4/4
K:C
['c4 d4 e2 c2 z2 de fe', 'g=f ed']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:C
|: (3(GAB) | c4 d4 | e2 c2 z2 de | fe dc dc BA | GA BA GF ED | c4 d4 | e2 c2 z2 de | fe dc Bg fd | 
 c2 e2 c2 :: ef | g^f ga g=f ed | cd ec G2 fg | a^g a_b a=g fe | fg af d2 fe | d^c de fg ba | 
 cB cd ef ag | ^fg ba g=f ed | c2 e2 c2 :|  