Craft a musical piece that incorporates the given motif and follows the outlined structure.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bb
['(B/c/d/e/) f3 f (f<d)(c>B) (c>B)(cd){F} G3 B', 'B2 F>E |{E} D3 F (G>F)(GB) (c>B)(cd){F}'  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bb
"^Slow." (B/c/d/e/) | f3 f (f<d)(c>B) | (c>B)(cd){F} G3 B | (F>G) (F/E/)(D/E/) F2 (B>F) | 
 D2 (F>G) F2 (B/c/d/e/) | f2 g(a/b/) | (f<d)(c>B) | (ed)(cB){F} G2 (d>c) | (B<G)(F>D) (F>G) (B>c) | 
 d2 c2{Bc} B2 :: F>E |{E} D3 F (G>F)(GB) | (c>B)(cd){F} G3 g | (f>g)(fd) (ed)(cB) | 
 (e>f) (g/f/e/d/){d} c2 f>e | (df)(ga) b2 (a>g) | (f<d)(cB){F} G2 (d>c) | (B<G)(FD) F<GB>c | 
 d2 c2{Bc} B2 :|  