Build a musical work using the provided motif and following the indicated form.
X:1
L:1/8
M:4/4
K:G
['B2 B>B BB', 'ga b2 b>b'  
X:1
L:1/8
M:4/4
K:G
|: DG | B2 B>B BB cA | e2 d>^c d2 B/c/d | c2 A/B/c BD G>B | AG FE DE F/G/A | B2 B>B BB c/B/A | 
 e2 d>^c d2 b/a/g | f2 a/g/f e2 g/f/e |1 d2 d>d d2 :|2 d2 d>d dA |: B/c/d | e2 e>e ef ga | 
 b2 b>b ba gf | ge e>e ef ga | b2 b>b b2 d>d | dc- cc ac c>c | cB- BB eA Bc | dG AB cD EF |1 
 G2 G>F GA :|2 G2 G>F G2 ||  