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:1/4=160
M:2/4
K:G
['dd dd']  
X:1
L:1/8
Q:1/4=160
M:2/4
K:G
 Bd | d2 Bd | dd dd | dd dd | d2 dd | dd d=f | (ed) (cB) | c2 Ac | c2 Ac | cc ce | (dc) (BA) | 
 B2 ||  