Build a musical work using the provided motif and following the indicated form.
X:1
L:1/8
Q:1/4=100
M:2/2
K:G
['', 'dBBA GE G2 GdBd GdBg dBBA GD', 'g2 gbgb gbag fdad fagf gabg fgaf'  
X:1
L:1/8
Q:1/4=100
M:2/2
K:G
 g"^NB1" |: dBBA GE G2 | GdBd GdBg | dBBA GD G2 | gefd e2 g2 :: gbgb gbag | fdad fagf | gabg fgaf | 
 gefd e2 g2 :|  