Compose a song based on the given alphabetical pattern and musical motif.
X:1
L:1/8
M:4/4
K:G
['Bc d3 g edcB dBdg edcB cBAB', 'b2 b2']  
X:1
L:1/8
M:4/4
K:G
 Bc | d3 g edcB | dBdg edcB | cBAB GABc | d3 c B2 d2 | e2 eg e2 de | gfga b2 ab | gfed g2 B2 | 
 A4 G2 || ga | b2 b2 b2 ag | a>gab a2 ga | b>age dgBc | d3 c B2 d2 | e2 eg e2 de | gfga b2 ab | 
 gfed g2 B2 | A4 G2 |]  