Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/16
M:3/4
K:Bb
['f2df e2ce d2B2 F2DF E2CE D2C2 B,2>D2', '(CF)(AF) (CF)(AF)'  
X:1
L:1/16
M:3/4
K:Bb
 uf2 | f2df e2ce d2B2 | F2DF E2CE D2C2 | B,2>D2 F2B2 d2f2 | B2d2 (cB)AG F4 | f2df e2ce d2B2 | 
 F2DF E2CE D2C2 | B,2>D2 F2B2 d2f2 |1 c2Ac B6 :|2 c2Ac B8 |: (B,F)(FB,) (B,F)(FB,) (B,F)(FB,) | 
 (B,G)(GB,) (B,G)(GB,) (B,G)(GB,) | (CF)(AF) (CF)(AF) (CF)(AF) | B2d2 (cB)AG F4 | 
 (B,F)(FB,) (B,F)(FB,) (B,F)(FB,) | (B,G)(GB,) (B,G)(GB,) (B,G)(GB,) | (CF)(AF) (CF)(AF) (CF)(AF) | 
 e2A2 c4 B4 :|  