Compose a song based on the given alphabetical pattern and musical motif.
X:1
L:1/16
M:2/4
K:Bmin
['ag f2B2B2 ag fefg a2>f2 e2A2', 'fe f2b2b2 ag fefg a2>f2 e2A2 cBAB']  
X:1
L:1/16
M:2/4
K:Bmin
 ag | f2B2B2 ag | fefg a2>f2 | e2A2 cBAB | c2e2e2 ag | f2B2B2 ag | fefg a2>f2 | e2A2 cBAB | 
 c2B2B2 :: fe | f2b2b2 ag | fefg a2>f2 | e2A2 cBAB | c2e2e2 fe | f2b2b2 ag | fefg a2>f2 | 
 e2A2 cBAB | c2B2B2 :|  