Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
Q:1/8=120
M:6/8
K:D
['A>BA A>BA', 'e>cA A>BA e>cA']  
X:1
L:1/8
Q:1/8=120
M:6/8
K:D
 A>BA A>BA | A>BA d2 A | A>BA A>BA | A>BA B2 A | A>BA A>BA | A>BA d2 B | A>ce f2 a |1 e>cA B2 A :|2 
 e>cA A2 z || e>cA A>BA | e>cA d2 B | e>cA A>BA | e>cA B2 A | e>cA A>BA | e>cA d2 B | A>ce f2 a |1 
 e>cA B2 A :|2 e>cA A2 z ||  