Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
M:4/4
K:G
['DB, G,B,DB, G,B,DB, G,2 G2 G2 AF', 'G2 Bc dBGB dBGB ecAc ecAc gfedfgae'  
X:1
L:1/8
M:4/4
K:G
 DB, | G,B,DB, G,B,DB, | G,2 G2 G2 AF | DFAF DFAF | D2 d2 d2 cB | cdec BcdB | ABcdef g2 | 
 g dec dBAG | D2 G2 G2 :: Bc | dBGB dBGB | ecAc ecAc | gfedfgae | f2 d2 d2 cB | cdec BcdB | 
 ABcd ef g2 | gdec | dB AG | D2 G2 G2 :|  