Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:4/4
K:Eb
['B2 B>B', '_d c2 A>A A2 (f/a/g/b/) a3 g']  
X:1
L:1/8
M:4/4
K:Eb
 B>B | [GBe]4 B3 G | E2 E>E E2 B2 |{B} c2 c>c ce/d/ (f/e/d/c/) |{c} B2 B>B B2 B>B | e2 e>e f2 f>f | 
 g2 g>g =a2 a>a | b>fg>e d2 Tc3/2B/4c/4 | B2 B>B B2 :: B>B | [GBe]4 B3 _d | c2 A>A A2 (f/a/g/b/) | 
{b} a3 g (gf)(fe) | b2 B>B B2 B2 |{=B} c3 d fedc | Begb b2 a2 | gTg{fg} af e2 (Td3/2c/4d/4) | 
 e2 e2 e/ e2 :|  