Compose a piece of music following the specified structure and theme.
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
['D D>EF GAG FGA B2 c', 'dcA G3'  
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
"^Lively" D | D>EF GAG | FGA B2 c | ded dcA | G3 F2 D | D>EF GAG | FGA B2 c | d>e=f/d/ dcA | 
 G3 G2 || A | cde =f2 f | ggg g>=fd/e/ | =fdd/c/ dcA | G3 F2 D | DEF GAG | FGA B2 c | de=f dcA | 
 G3 G2 ||  