Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/8
M:4/4
K:G
['BG (3GGG', 'bgfg egdg']  
X:1
L:1/8
M:4/4
K:G
|: d | BG (3GGG Bcdg | BGgB aAAd | BG (3GGG Bcde | dega bg gd | BG (3GGG Bcdg | BGgB aAAd | 
 BG (3GGG Bcde | dega bg g :: a | bgfg egdg | cgBg aAAa | bgfg egdg | efga bgga | bgfg egdg | 
 cgBg aAAc | BGcA dBge | dBcA BG G :|  