Design a music composition that employs the provided motif and follows the predetermined musical form.
X:1
L:1/8
M:2/4
K:G
['G/A/ BBBA/B/ cAzA/B/ cccB/c/ dBzc/e/ dB/B/cA B/A/B/c/Bc/e/']  
X:1
L:1/8
M:2/4
K:G
 G/A/ | BBBA/B/ | cAzA/B/ | cccB/c/ | dBzc/e/ | dB/B/cA | B/A/B/c/Bc/e/ | dB/B/cA | B2 z |]  