Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
M:2/4
K:Bb
['c d']  
X:1
L:1/8
M:2/4
K:Bb
 c2 c c | d c d f | c B G F | D4 | d d d c | G B c d | c c/ G/ F D | F4 |]  