Construct a piece of music using the designated motif as the basis, while ensuring the required form is followed.
X:1
L:1/16
M:2/4
K:G
['d2b2 c2a2 B2g2- gdBG F2e2- edcA', 'G2AB cdef g2B2 cBAB e2A2 BAGA', 'A2A2 Adfa g2B2 B4 A2A2'  
X:1
L:1/16
M:2/4
K:G
 Bc | d2b2 c2a2 | B2g2- gdBG | F2e2- edcA | G2e2- edBc | d2b2 c2a2 | B2g2- gdBG F2e2- edcA | 
 G2GF G2 :: D2 | G2AB cdef | g2B2 cBAB | e2A2 BAGA | B2G2 G2D2 | G2AB cdef | g2B2 cBAB | 
 e2A2 BAGA | B2G2 G2 :: FG | A2A2 Adfa | g2B2 B4 | A2A2 Acea | g2f2 f2FG | A2A2 Adfa | g2B2 B4 | 
 A2A2 Acef | e2d2 d2 :|  