Create a musical composition following the given alphabetical pattern and incorporating the provided motif.
X:1
L:1/8
M:3/8
K:G
['b/g/ dBG', 'Ac e/c/ dBG FEF']  
X:1
L:1/8
M:3/8
K:G
 !arpeggio![gBD]2 b/g/ | dBG | FA d/A/ | BGD | !arpeggio![gBD]2 b/g/ | dBG | FEF | G2 G, :| 
 Ac e/c/ | dBG | FEF | GDG | Ac e/c/ | dBG | FEF | G2 G, :|  