Compose a song based on the given alphabetical pattern and musical motif.
X:1
L:1/8
M:2/4
K:F
['f d']  
X:1
L:1/8
M:2/4
K:F
 f d c2 | c F G2 | f d c B | c F G2 | c c f d | c f c B | F B2 G | F D C2 | f d c f | c B G2 | 
 c B G D | C4 |]  