Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:4/4
K:Gmin
['D<GG>A F>GA>F D<G GA/B/ c>AB>G A>Bc>B A>G', 'G/A/B/c/ d>B'  
X:1
L:1/8
M:4/4
K:Gmin
 D<GG>A F>GA>F | D<G GA/B/ c>AB>G | A>Bc>B A>G F>C | D<G G>B A>^F G2 :| G<gg>a f>ga>f | 
 d<g g>a f>a g2 | d<gg>a b/a/g a/g/f | d<g b>g a>^f g2 | f>gf>d c>BA<F | G/A/B/c/ d>B c>Ad>=e | 
 f<ad<f c<f A<F | G/A/B/c/ d>B c>A G2 |]  