Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:9/8
K:C
['', 'e2 c', 'ege fdB']  
X:1
L:1/8
M:9/8
K:C
 G |: c2 e ege g2 d | e2 c fdc B2 G | c2 e ege f2 d |1 e2 c fdB c2 G :|2 e2 c fdB c2 B/c/ |: 
 ded dBG BAG | ded dBG ABc | ded dBG BAG |1 ege fdB c2 B/c/ :|2 ege fdB c3 ||  