Design a musical arrangement using the alphabetical representation of the given sequence and the supplied motif.
X:1
L:1/8
M:4/4
K:Bb
['d2 d2', 'B>A B2', 'd2 c2', 'c2 B2', 'dB c2 c2']  
X:1
L:1/8
M:4/4
K:Bb
 Bc | d2 d2 d2 c>d | e>d c>B{/B} A2 G2- |[M:2/4] G2"^(a)" z"^(""^)" d |[M:4/4] e3 d/e/ f3 B | 
 B>A B2 c3 F | B>A B>c B>A GF | B>A B2 c f2 d |"^(b)" e2 fg f3 e | d2 c2 B>AG>F | B>A B>c B>A GF | 
 B>A B2 c f2 d | e2 fg f3 e | d2 c2 B2 || Bc | d2 d2 d2 c>d | e>d c>B{/B} A2 G2- | 
[M:2/4] G2"^(a) var." z2 |[M:4/4] e3 d/e/ f3 B | B>A B2 c3 F | B>A B>c B>A GF | B>A B2 c f2 d | 
"^(b) var. 1" ef g2 f3 e | d2 c2 B>AG>F | B>A B>c B>A GF | B>A B2 c f2 d | e2 fg f3 e | d2 c2 B2 || 
 Bc | d2 d2 d2 c>d | e>d c>B{/B} A2 G2- |[M:2/4] G2 z d |[M:4/4] e3 d/e/ f3 B | B>A B2 c3 F | 
 B>A B>c B>A GF | B>A B2 c f2 d |"^(b) var. 2" e2- (3efg f3 e | d2 c2 B>AG>F | B>A B>c B>A GF | 
 B>A B2 c f2 d | e2 fg f3 e | d2 c2 B2 |][M:4/4][K:Bb] Bc | d2 d2 d2 cB | 
 Bc"^(a)" d2 cB !fermata!G2 | e2"^(b)" e2 d2 c2 | B2 d2 !fermata!c2 z F | B>A Bc BAGF | 
 B2 B2 cd e2 | f2 f2 e2 dB | c2 c2 B2 || Bc | d2 d2 d2 cB | Bc"^(a) var." dc cB !fermata!G2 | 
 e2"^(b) var." ee d2 c2 | B2 d2 !fermata!c2 z F | B>A Bc BAGF | B2 B2 cd e2 | f3 d e2 dB | 
 c2 c2 B2 |]  