Construct a piece of music by incorporating the given motif and adhering to the determined musical form.
X:1
L:1/8
Q:3/4=100
M:6/4
K:G
['B4 B2 B3 A G2']  
X:1
L:1/8
Q:3/4=100
M:6/4
K:G
"_no keysig in book" B4 B2 B3 A G2 | A4 A2 c3 B A2 | B4 B2 B3 A G2 | B6 d4 e"^NB"f | 
 g3 ^f e2 d3 c B2 | A4 A2 e3 d c2 | B4 B2 B3 A G2 | B6 d6 :|  