Develop a music arrangement by incorporating the given alphabetical sequence and the provided motif.
X:1
L:1/8
M:4/4
K:G
['G3 c Bdgb agfa gfgc BGBd cBAB', 'gfgb agfa']  
X:1
L:1/8
M:4/4
K:G
 G3 c Bdgb | agfa gfgc | BGBd cBAB | cedc BG G2 :| bagb adfa | gfgb agfa | bagf gdcB | ecdc BG G2 | 
 bgfg dgfa | gfgb agfa | bBaB gBfB | cedc BG G2 ||  