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:1/8=150
M:4/4
K:D
['FDFA dfaf gfed dcBA', 'd2 (3ABc d2 fd c2 ec BABc']  
X:1
L:1/8
Q:1/8=150
M:4/4
K:D
 AG | FDFA dfaf | gfed dcBA | G2 BG F2 AF | EDEF GBAG | FDFA dfaf | gfed dcBA | dfaf bgec | 
 d2 dc d2 :| (3ABc | d2 fd c2 ec | BABc dcBA | G2 BG F2 AF | EDEF GBAG | FDFA dfaf | gfed dcBA | 
 dfaf bgec | d2 dc d2 :|  