Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/8
M:4/4
K:G
['', 'GA BG G2 B2 AB GE E2', 'BG G2', 'ADFA G2']  
X:1
L:1/8
M:4/4
K:G
 GA |: BG G2 B2 AB | GE E2 GEDB | DEGA BGBd | eBdB A2 GA :| BG G2 B2 AB | GE E2 GEDB | DEGA BedB |1 
 AGAB G2 GA :|2 AGAB G2 Bc |: dggf gedc | BG G2 EG D2 | eaag a2 ag | eaag fdga | bg g2 egdc | 
 BGAG E2 AB | cedc B2 BG |1 ADFA G2 Bc :|2 ADFA G2 GA ||  