Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
Q:1/2=75
M:2/4
K:F
['f2 ed cbag', 'A2 Gc- c2 =Bc d{e}fed ec=Bc ecgc']  
X:1
L:1/8
Q:1/2=75
M:2/4
K:F
 f2 ed | cbag | afge | fdcB | f2 ed | cbag | afce | !fermata!f4 || A2 Gc- | c2 =Bc | d{e}fed | 
 ec=Bc | ecgc | ac=Bc | dgd=B | c_bag"^D.C." :|  