Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:5/8
K:Bb
['CCDC/C/B, B,4 G, G,G,F,F,/F,/F, F,2 F,F, z']  
X:1
L:1/8
M:5/8
K:Bb
 CCDC/C/B, | B,4 G, | G,G,F,F,/F,/F, | F,2 F,F, z | B,B,CB,/B,/G, | G,4 F, | F,G,G,F,/F,/F, | 
 F,3 z F, | F,D,D,C,/C,/C, | B,,4 z | D,D,D,B,,/B,,/B,, | B,,4 z |]  