Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:4/4
K:G
['', 'BG dGBG', '', 'Bd g2 fg edce dfab afdg bagf']  
X:1
L:1/8
M:4/4
K:G
|: (3DEF || G2 BG dGBG | cBcd efge | d2 BG dGBG | (3FED AD BDAF | G2 BG dGBG | cBcd efge | 
 dgfg ecAF | GBAF G2 :: Bd || g2 fg edce | dfab afdg | bagf adBG | (3FED AD BDAD | G2 BG dGBG | 
 cBcd efge | dgfg ecAF | GBAF G2 :|  