Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/16
M:4/4
K:D
['[DAf]4 [Ae]4 dcde d2fg a2d2c2d2 edef egfe', 'z4 A2>B2A2a2 a2gf g4 A2>B2A2g2 g2fe f2g2']  
X:1
L:1/16
M:4/4
K:D
 [DAf]4 [Ae]4 dcde d2fg | a2d2c2d2 edef egfe | f4 e4 dcde defg | a2d2c2d2 e4 z4 :: 
 A2>B2A2a2 a2gf g4 | A2>B2A2g2 g2fe f2g2 | a4 d4 e2dc d2g2 | f2ed e4 d4 z4 :|  