Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:G
['B2 B2', 'B2 B2']  
X:1
L:1/8
M:4/4
K:G
 GA | B2 B2 B2 AG | AGAB G2 AB | cBAG GABc | d2 c2 B2 dc | B2 B2 B2 AG | AGAB G2 AB | cBAG GABc |1 
 A3 G/F/ G2 dc :|2 A3 G/F/ G4 |: GABc d2 d2 | d2 e2 d3 d | e2 d2 g2 B2 | d2 c2 B2 dc | 
 B2 B2 B2 AG | AGAB G2 AB | cBAG GABc |1 A3 G/F/ G4 :|2 A3 G/F/ !fermata!G2 dc |]  