Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
Q:1/4=96
M:4/4
K:Gmix
['B D>GB>G c>AB>G A/A/A B>G c>AF<A D>GB>G', 'B>GG ^f g>(dd>)e =f>g{fg}ag f>dTc>_B AFF>^f g>(dd<)e'  
X:1
L:1/8
Q:1/4=96
M:4/4
K:Gmix
 B | D>GB>G c>AB>G | A/A/A B>G c>AF<A | D>GB>G c>ABG | A/A/A d>c B>GG :| ^f | g>(dd>)e =f>g{fg}ag | 
 f>dTc>_B AFF>^f | g>(dd<)e g>a{ga}ba | g>(dd>)e g/^f/g/a/ gb | g<(dd>)e f>efa | 
 f>dTc_B A<(FF) (e/f/ | g>)ef>d e>cd>B | A<g^f<a g<(GG) |]  