Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
['BGG BGG', 'G3 Bdd Add ^ceg fed afb gea', 'd3 Bcd efg ABc def GAB cde', 'G3 dBG ecA fdf g3 ecA dBG']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
|: BGG BGG | GBd Tgfg | BGG BGG | DEF G3 :: Bdd Add | ^ceg fed | afb gea | AB^c d3 :: Bcd efg | 
 ABc def | GAB cde | DEF G3 :: dBG ecA | fdf g3 | ecA dBG | DEF G3 :|  