Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
['GBdB cBAG', 'gfga gfed cBcd']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
 (BA) | GBdB cBAG | cBcd c2 BA | GBdB cBAG | d^cde d2 BA | GBdB cBAG | cBcd efge | dBGB cAFA | 
 G2 B2 G2 :: d2 | gfga gfed | cBcd c2 c2 | agab agfe | d^cde d2 (ef) | gfga gfed | cBcd efge | 
 dBGB cAFA | G2 B2 G2 :|  