Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:4/4
K:G
['GABc dBBB dGBd gfdc Bcde f2 eg', 'gfde f2 eg faga']  
X:1
L:1/8
M:4/4
K:G
 GABc dBBB | dGBd gfdc | Bcde f2 eg | faga fdcA | BGGG D2 GB | dGBd c2 Bc | dggg dgag |1 
 fdcA G3 D :|2 fdcA G2 Bd |: g2 dc BdGB | DGBd gfde | f2 eg faga | fdAd fgaf | g2 dc BdGB | 
 DGBd gfde | f2 eg faga | fdcA G4 :|  