Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:2/2
K:G
['G3 B dB B2 gBfB eBdB cBAc', 'eBdB cBAc BAGB'  
X:1
L:1/8
M:2/2
K:G
 G3 B dB B2 | gBfB eBdB | cBAc BAGB | Addc dedB | G3 B dB B2 | gBfB eBdB | cBAc BAGB |1 
 ADFA G3 D :|2 ADFA GABd |: g3 f gdBd | gBfB eBdB | cBAc BAGB | Addc defd | g3 f gdBd | gBfB eBdB | 
 cBAc BAGB |1 ADFA GABd :|2 ADFA G3 D ||  