Compose a musical work using the assigned alphabetic notation and the provided motif.
X:1
L:1/4
M:4/4
K:Bb
['c d B']  
X:1
L:1/4
M:4/4
K:Bb
 B c d B | B c d B | e2 d2 | c c c z | B c d B | B c d B | e2 d2 | c d B z |]  