Construct a piece of music using the designated motif as the basis, while ensuring the required form is followed.
X:1
L:1/8
M:6/8
K:C
['cAG c3 deg e3 deg edc', 'e3 deg edc dcB'  
X:1
L:1/8
M:6/8
K:C
|: cAG c3 | deg e3 | deg edc | dcA cAG | cAG c3 | deg e3 | deg edc |1 dcB c3 :|2 dcB cde |: 
 g3 edc | deg e3 | deg edc | dcB cAG | g3 edc | deg e3 | deg edc | dcB c3 :|  