Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:6/8
K:C
['a2 a', 'de fef g2 f e3 e2 e', 'g^fg bag fed']  
X:1
L:1/8
M:6/8
K:C
 a2 a | e2 e a2 a | e2 z e2 e | f2 f fgf | e2 z f2 e | d2 d ded | c2 c cdc | B2 B BcB |1 
 A2 z a2 a :|2 A2 z2 ef || g^fg a2 g | f3 z de | fef g2 f | e3 e2 e | f/e/ d2 d2 d | e/d/ c2 c2 d | 
 e2 d c2 B | A3 z GG |: cBc e^de | a2 g g^fg | bag fed | e3 cGG cBc e^de | a2 g g^fg | bag fed |1 
 c3 eGG :|2 c2 z c'2 z ||  