Compose a song based on the given alphabetical pattern and musical motif.
X:1
L:1/8
M:3/4
K:D
['af d>c cd BG A4']  
X:1
L:1/8
M:3/4
K:D
 a4 af | d>c cd BG | A4 A/B/c | d2 (3efg f2 | e2 a2 af | d>c cd BG | A4 AB/c/ | (3def B2 ec | 
 d4 AB/c/ | d3 c d/e/f/g/ | a4 b>a | af de fa/g/ | f2 e2 af | d>c cd BG | A4 AB/c/ | (3def B2 ec | 
 d6 |]  