Craft music utilizing the alphabetic representation of the designated musical pattern and the given melodic theme.
X:1
L:1/8
M:2/4
K:D
['afaf ba a2', 'd2 fafa ag g2 egeg gf f2']  
X:1
L:1/8
M:2/4
K:D
 afaf | ba a2 | fagf | fe e2 | afaf | ba a2 | gedc | d2 d2 :: fafa | ag g2 | egeg | gf f2 | afaf | 
 ba a2 | gedc | d2 d2 :|  