Create a musical composition using the given motif and adhering to the specified alphabetical musical form.
X:1
L:1/8
Q:1/2=60
M:2/2
K:D
['f2 e/f/g faag', 'eaac dfed AG G2 aeec fBBd c2']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:D
|: f2 e/f/g faag | fedc BA A2 | f2 e/f/g faag | fedc"_NB1"!fine! d4 :|"_NB2" f2 ed eaac | 
 dfed AG G2 | aeec fBBd | c2 B2!D.C.! A4 |]  