Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:4/4
K:F
['Ac c2', 'fgaf fd c2']  
X:1
L:1/8
M:4/4
K:F
 FGFG Ac c2 | AGAF GFDC | DFFG Ac c2 | dfeg fdcA | FGFG Ac c2 | AGAF GFDC | DFFG Ac c2 | dfeg f3 || 
 e | fgaf fd c2 | defd cA A2 | fgaf fd c2 | dfeg f3 e | fgaf fd c2 | defd cAAG | FGFG Ac c2 | 
 dfeg f3 ||  