Design a music composition that employs the provided motif and follows the predetermined musical form.
X:1
L:1/8
M:6/8
K:G
['B2 G']  
X:1
L:1/8
M:6/8
K:G
 D | G2 A B2 G | d3- d2 c | B>AG F2 G | A3 z2 G | d2 d B2 G | g3 d2 c | B>AGA>GF | G3 z2 |]  