Develop music based on the depicted musical form represented by letters, accompanied by the provided motif.
X:1
L:1/8
Q:1/4=100
M:6/8
K:Bb
['(c B2) B3 z2 z']  
X:1
L:1/8
Q:1/4=100
M:6/8
K:Bb
 d3 | (c B2) B3 | z2 z d3 | ddd d2 d | (c B2) B3 | z2 z c3 | ccc c2 d | (c B2) B3 | z2 z d3 | 
 d B2 c3 | B3 ||  