Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/16
M:2/4
K:D
['fad2 d2ef g2e2', 'a2>b2 a2f2 g2gf']  
X:1
L:1/16
M:2/4
K:D
 ag | fad2 d2ef | g2e2 e2>d2 | c2c2 cABc | dcde fgag | fad2 d2ef | g2e2 e4 | A2ce gece | e2d2d2 :: 
 df | a2>b2 a2f2 | g2gf e2Ae | g2>a2 g2e2 | f2fe d2df | a2>b2 a2f2 | g2gf e4 | A2ce gece | 
 e2d2d2 :|  