Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/4
Q:3/4=110
M:6/4
K:G
['G2 G G2', 'g3/2 f/ g', 'B G G'  
X:1
L:1/4
Q:3/4=110
M:6/4
K:G
 G2 G G2 d | B G B Tc2 B | G2 G G2 (3B/c/d/ | A F A Tc2 A | G2 G G2 (3B/c/d/ | B G B g2 d | 
 e c e d B d | A F A Tc2 A :: g3/2 f/ g d e f | g3/2 f/ g d3/2 c/ B | g3/2 f/ g d e f | 
 A F A c2 A | g3/2 f/ g d e f | g3/2 f/ g d3/2 c/ B | (c/d/) e c (d/e/) f d | A F A Tc2 A :: 
 B G G A D D | B G G c B A | B G G A D D | A F A c2 A | B G G A D D | g3/2 f/ g d c B | 
 (c/d/ e) c (B/c/ d) B | A F A Tc2 A |]  