Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/8
M:3/4
K:Bb
['d2 d2 dc B2']  
X:1
L:1/8
M:3/4
K:Bb
 F2 | BA/G/ F2 G2 | FF/E/DFBc | d2 d2 dc | B2 z2 FG/A/ | BB/A/ G2 GA/B/ | cc/A/FFBc | d2 d2 dc | 
 B2 z2 |]  