Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:G
['G2 ge d2 ed', 'g2 faaf [Bg]2 [Bg]2 [Ae]3 e [Ae]2']  
X:1
L:1/8
M:4/4
K:G
 (3DEF | G2 ge d2 ed | B2 ge dcBA | G2 ge d2 ed |1 cBAG FDEF :|2 B2 [DA]2 G2 |: z2 | 
 [Ae]3 B e2 g2 | faaf [Bg]2 [Bg]2 | [Ae]3 e [Ae]2 g2 | faae [Bg]2 :|  