Compose a musical work incorporating the given motif and adhering to the outlined alphabetical framework.
X:1
L:1/8
Q:1/8=120
M:2/4
K:G
['g2 fe', 'Bd BA GA']  
X:1
L:1/8
Q:1/8=120
M:2/4
K:G
"^polka" A | Bd e>f | g2 fe | fe d>e | fd B>A | Bd ef | g2 fe | fa gf | e2 e :| z | Bd BA | 
 GA B>c | BA D>A | BA D2 |1 Bd BA | GA Bd | eg fd | e2 e :|2 Bd BA | GA B>c | dA D>A | G2 G2 |]  