Compose a musical piece in accordance with the outlined theme and structure.
X:1
L:1/4
Q:3/4=100
M:6/4
K:G
['f g', 'A2 B'  
X:1
L:1/4
Q:3/4=100
M:6/4
K:G
 G2 d d3/2 e/ d | c2 B c3 | B c d e f g | a g a f3/2 e/ f | g f e d c B | c2 d e2 a | 
 f3/2 e/4f/4 g A2 B | A3 G3 :: F/G/ | A3/2 B/ A F2 G | A2 B c3 | d c B g f e | ^d3 f3 | 
 g3/2 a/ g f3/2 e/ d | A2 B c2 a | f3/2 e/4f/4 g A2 B | A3 G2 :|  