Compose a song based on the given alphabetical pattern and musical motif.
X:1
L:1/8
M:2/2
K:D
['FA A2 BAFA', 'f3 e d3 A']  
X:1
L:1/8
M:2/2
K:D
 FA A2 BAFA | BAFA Bd d2 | FA A2 BAFA | BdAF EF D2 :: f3 e d3 A | BAFA BA F2 | f3 e d3 A | 
 BdAF EF D2 :|  