Design musical structures with the specified pattern and offered motif.
X:1
L:1/8
M:2/4
K:Bb
['d d/']  
X:1
L:1/8
M:2/4
K:Bb
 d d/ f/ d d/ c/ | B B/ c/ B B | G F D F | G4 | B B/ G/ B c | d d/ f/ d d/ c/ | B c d d/ c/ | 
 d B3 | G G/ F/ D F | G4 | F F/ G/ B B/ G/ | F F/ B/ G F | d f c d | F F/ G/ D C | B4 |]  