Create tunes based on the provided motif and adhere to the specified musical arrangement.
X:1
L:1/8
M:2/4
K:Bb
['ffdd B2', 'B2 c=Bcd e2 c2 d>cde f2 d2'  
X:1
L:1/8
M:2/4
K:Bb
 ffdd | B2 B2 | gabg | g2 f2 | ffdd | B2 Bd | cB cd | B2 B2 :: c=Bcd | e2 c2 | d>cde | f2 d2 | 
 bb f2 | gg e2 | dcBA | B2 B2 ||  