Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/8
Q:3/8=120
M:6/8
K:Bb
['B d2 B def gab fdB Ace', 'F2 f fdB fg_a ged{d} e2 d'  
X:1
L:1/8
Q:3/8=120
M:6/8
K:Bb
|: B | d2 B def | gab fdB | Ace dcB | AGF EDC | B,Bd Cce | Acf dgb | agf cf=e | fcA F2 :: f | 
 fdB fg_a | ged{d} e2 d | cBA GFE | DCB,{A,} A,2 B, | CEA cde | DFB def | ged{d}"^tr" c3 | 
 B3- B2 :|  