Compose a piece of music following the specified structure and theme.
X:1
L:1/8
Q:1/4=140
M:2/4
K:G
['G2 G>G', 'A3 c3', 'a3 faf def g3 b3 agf edc'  
X:1
L:1/8
Q:1/4=140
M:2/4
K:G
|: G2 G>G | G2 G2 | AGFG | A>Bcd | BGGG | G3 G | A>GFG | A>B c2 |{Bc} d2 dd | d3 d | edcB | AB c2 | 
{AB} c2 cc | c3 c | dcBA | GA B2 | G2 G>G | F2 GF | E2 FE | D2 D2 | c2 c>c |{c} B2 Ac | BGcA | 
 F2 G2 :|[M:6/8][K:F][Q:3/8=120] F3 c3 | AcA FGA | B3 d3 | BdB GAB | A3 c3 | faf def | ege cde | 
 fed cdB | B3 A3 :: c3 g3 | ege cde | f3 a3 | faf def | g3 b3 | agf edc | BdB GAB | AcA FGA | 
 Gba gfe |{e} f6 :|  