Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/16
M:2/4
K:Bb
["f'2 d'2 c' d' c' b g2"]  
X:1
L:1/16
M:2/4
K:Bb
 f'2 d'2 c' d' c' b | g2 b2 d3 f | d2 f2 b2 d2 | c8 | f'2 d'2 c' d' c' b | g2 f2 g4 | 
 b2 g2 f g f d | f8 |]  