Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/4
Q:1/4=120
M:4/4
K:A
['c2 c3/2 B/ A F F3/2 F/', 'c A']  
X:1
L:1/4
Q:1/4=120
M:4/4
K:A
 c2 c3/2 B/ | A F F3/2 F/ | E A A B | c B B2 | c2 c3/2 B/ | A F F3/2 F/ | E e e d | c A A2 :| 
 c A B A | c A B A | c e e3/2 d/ | c A B2 | c A B A | c A B A | c e e3/2 d/ | c A A2 :|  