Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:4/4
K:G
['', 'gfed edBA G2 BG', 'Bddc d4 Bdef gfed'  
X:1
L:1/8
M:4/4
K:G
 d |: gfed edBA | G2 BG DGBd | edgd edef | gbaf gfed | gfed edBA | G2 BG DGBD | DEGA B2 Bd | 
 gedc BG G2 :: Bddc d4 | Bdef gfed | Bdgd edef | gbaf gfed | Bddc d4 | Bdef gfed | DEGA B2 Bd | 
 gedc BG G2 :|  