Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:4/4
K:G
['', 'cBAG FGAF GABG', 'AB cBcd e4 g4 agfe defd'  
X:1
L:1/8
M:4/4
K:G
 AB |: cBAG FGAF | GABG A2 DD | F2 D2 FGAB | A3 B cBAG FGAF | GABG ABcd | B2 GF G2 AB :: cBcd e4 | 
 g4 agfe | defd ef ge | a2 A2 A2 AB | cBcd e4 | g4 agfe | defd AB cd | B2 G2 G2 AB :|  