Compose a song based on the given alphabetical pattern and musical motif.
X:1
L:1/4
M:3/2
K:G
['G2 B2 A A']  
X:1
L:1/4
M:3/2
K:G
 G B d | G2 B2 A A | G3 G B c | d2 B2 B c | d3 d d f | g2 =f3/2 e/ | d f | g3 e/e/ d (B/A/) | 
 G2 B2 A A | G3 ||  