Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
Q:1/8=104
M:6/8
K:Bb
['and vB/uc/ |{Bc} d>cB (F<DF) ((B,<B)B) B2', 'F) (B2 F){/F} (d2 B) (Acd){/d} (e2'  
X:1
L:1/8
Q:1/8=104
M:6/8
K:Bb
"^Slow and Pathetic"!mp! vB/uc/ |{Bc} d>cB (F<DF) | ((B,<B)B) B2 d/e/ | f>ed (d<cB) | 
 ((C<c)c) (c2 c) |!<(! e2 (f/>g/a/4){ga} b>ag!<)! | (f<Bd){/d} !fermata!f2!mp! e | 
{/e} d<cB (F<DF) | (G<B)B B2 :: (uD/C/) | .B,.D.F .B.d.f |{=E} !turn!F>GF{/E}"_a tempo" (F2 F) | 
{/F} (B2 F){/F} (d2 B) | (Acd){/d} (e2 f) |"_cresc."{/e} g>fe (def) | 
"_rit." g(ab){/g} !fermata!f2!p! e |{/e} d>cB (F<DF) | (G<BB) B2 :|  