Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/8
M:4/4
K:Bb
['G2 Gg', 'BB FG']  
X:1
L:1/8
M:4/4
K:Bb
 d/e/ | fBg>B G2 Gg | fB gB fBdb | fBg>B G2 Gg | fbdg fBdb | fBg>B G2 Gg | fB gB fBdb | 
 fBgB G2 Gg | f<bd>c B2 B || B | FG BB FG B2 | F<F{Bc} d>B G2 GB | F>G BB FG B>g | f<b d>c B2 B>G | 
 F>G BB FG B2 | F<F{Bc} d>B G2 G>g | (3fed (3cBA (3Bcd (3efg | f<b d>c B2 B ||  