Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/8
M:2/4
K:Bb
['d c']  
X:1
L:1/8
M:2/4
K:Bb
 d c B2 | f c B2 | G f d f | d c B2 | G B c f | d c B2 | G D F G | D C B,2 | d c d f | d c B c | 
 A G F2 | F F F G | A G B2 | G F F G | D C B,2 |]  