Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:4/4
K:A
['E>FA>c d2 d>f', 'e>ca>c f/e/d/c/']  
X:1
L:1/8
M:4/4
K:A
 a |O e<c c>B A>FF>A | E>FA>c d2 d>f | e>cc>B A<F F>c | d<fe>c B3 f | e>cc>B A<F F>A | 
 E>FA>c d2 d>f | (3fga (3edc (3def (3edc | a>f f/e/d/c B2 B || f | e>ca>c e>ca>c | 
 f/e/d/c/ ac e2 (ef) | e>ca>c e>ca>A | (3fga (3edc B2 B<f | e>ca>c f/e/d/c/ a>c | e>ca>e f2 fg | 
 (3agf (3edc (3def (3efg | (3agf (3edc (3Bbg (3agf ||  