Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:2/2
K:G
['B3 B2', 'DG G2 DGBG DGBG AGEG DGGF GABc', 'd2 Bd efge']  
X:1
L:1/8
M:2/2
K:G
 B3 B2 AGA | B2 GB AGED | B3 B2 AGB | AGBG AGED | B3 B2 AGA | B2 dB AGEG | Beed BddB | AGBG AGEG || 
 DG G2 DGBG | DGBG AGEG | DGGF GABc | dBAc BGGE | DG G2 DGBG | DGBG AGEG | DGGF GABc | dBAc BGGB || 
 d2 Bd efge | d2 BG AGEG | d2 Bd efge | a2 bg ageg | d2 Bd efge | d2 BG AGEG | d2 Bd efge | 
 a2 bg aged ||  