Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
Q:3/8=110
M:9/8
K:D
['ddd fed', 'AAA c2 d ecA']  
X:1
L:1/8
Q:3/8=110
M:9/8
K:D
 ddd fed afd | ddd fed ecA | ddd fed afd | faf gec d3 :: AAA c2 d ecA | def Bcd ecA | 
 AAA c2 d ecA | faf gec d3 :|  