Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:2/4
K:G
['cB B2']  
X:1
L:1/8
M:2/4
K:G
 D | GABc | dd d2 | ecge | ed d2 | ecge | eddd | dccc | cB B2 | AedA | cB B2 | AedF | AG G2 | 
 ecge | ed d2 | cAdc | cB B2 | Afff | g2 G2 | ecge | ed d2 | cAdc | cB B2 | Afff | g2 G |]  