Compose melodies using the given motif and follow the designated arrangement.
X:1
L:1/8
Q:1/2=90
M:4/4
K:Bb
['|{a} b2', "gfed egcg egcg egcb abc'a dfBf dfBf"  
X:1
L:1/8
Q:1/2=90
M:4/4
K:Bb
 f2 |{a} b2 fa{a} b2 fa |{a} b2 fb gfed | egcg egcg | egcb abc'a |{a} b2 fa{a} b2 fa | 
{a} b2 fb gfed | gedc fdcB | F2 [EA]2 [DB]2 :: f2 | dfBf dfBf | dfBb gfed | egcg egcg | 
 egcb abc'a | dfBf dfBf | dfBb gfed | gedc fdcB | F2 [EA]2 [DB]2 :|  