Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:2/2
K:A
['cB A3 B ABcd fgaf e2 c2', 'A4 a2 ecAc e3 f e2 A2', 'A4 [M:2/2][K:C] c2 ec dBAG AcBA GE', 'BG G2']  
X:1
L:1/8
M:2/2
K:A
 cB | A3 B ABcd | fgaf e2 c2 | e3 f ecBA | G2 B4 Bc | d3 e fgaf | dcBA G3 B | AcBdceAc | c2 A4 :: 
 a2 | ecAc e3 f | e2 A2 cdec | dcdefgab | g2 e4 dc | dcde fgac | dcBA GBeB | ceac Bcde | c2 A4 :: 
[M:2/2][K:C] c2 ec dBAG | AcBA GE E2 | cege dBAG | AcB>A GC C2 :: ecgc dBgB | cAfA BG G2 | 
 AFcF GEcE | FD G/F/E/D/ EC C2 | egcg dgBg | cgAg BG G2 | AcFc GcEc | Aag>f ec c2 :|  