Produce a musical arrangement that complies with the dictated structure and the suggested theme.
X:1
L:1/8
M:4/4
K:Bb
['f<Bd>c B2', 'd<BB e d>fB>f d<fb>f d>fB>d c<(FF>)d B<fd>f'  
X:1
L:1/8
M:4/4
K:Bb
 b | f<Bd>c B2 F>B | e>gd>f g<cc>b | f<Bd>c B2 FB | e<g{g}f>e d<BB :| e | d>fB>f d<fb>f | 
 d>fB>d c<(FF>)d | B<fd>f B>c{Bc}d>c | B>G{G}F>E D<(B, B>)d | B>fd>f B<fb>f | e>cd>B c<(C C>)a | 
 (b/a/)g/f/ (g/f/)e/d/{d} c>Bc>d | G>c (B/A/)G/F/{F} (B2 B) ||  