Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:4/4
K:G
['', 'dGBc dgeg dBAF', 'dBAB GED z'  
X:1
L:1/8
M:4/4
K:G
 D |: G2 BG dGBc | dgeg dBAF | G2 (3BAG dGBG | DBAB GEDE | GABG dGBc | dgeg dBAF | GB B2 GB B2 |1 
 dBAB GEDE :|2 dBAB GED z |: dg g2 bg g2 | agbg ageg | dega bgge | dBAB GED z | dega bg g2 | 
 agbg agef | gbag efge |1 dBAB GED z :|2 dBAB GEDE ||  