Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:3/4
K:Bb
['B2 BG FD']  
X:1
L:1/8
M:3/4
K:Bb
 B2 BG FD | (Cc) cB AF | B2 BG FD | FB BA B2 | BA GF GB | Gc cB AF | BA GF GB | FB BA B2 | 
 d2 dc df | c2 cB Ac | d2 dc df | (FB) BA B2 |]  