Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:2/4
K:G
['GB BA/G/ F/G/A/B/', 'f>e f>e fg a2']  
X:1
L:1/8
M:2/4
K:G
 GB BA/G/ | F/G/A/B/ A2 | Be ed | c2 B>A | GB BA/G/ | F/G/A/B/ A/A/B/c/ | d>e dA | F2 D2 :: 
 f>e f>e | fg a2 | ed ed | ef g2 | f>e f>e | fg a2 | edcB | A2 A2 :|  