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:2/4
K:A
['cBAa gaec dfec', 'cAeA fAeA'  
X:1
L:1/8
M:2/4
K:A
 d | cBAa | gaec | dfec | (3BBB Bd | cBAa | gaec | dfec | (3AAA A :: d | cAeA | fAeA | dfec | 
 (3BBB Bd | cAeA | fAeA | eaeg | (3AAA Ad | cAeA | fAeA | dfec | (3BBB Bg | agfe | fedc | dBec | 
 (3AAA A :|  