Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/8
M:3/4
K:G
['B2 c d2 g f2 g e2', 'c2 B']  
X:1
L:1/8
M:3/4
K:G
 B2 c d2 g | f2 g e2 f | d3 c2 B | A2 G B/G/ G2 | A>Bc A3 | B2 c d2 g | f2 g e2 f | d3 c2 B | 
 A2 G B/G/ G2- | G6 :: d>ef g>fg | a2 g b>ag | c2 B B>dg | e2 d c2 B | A>Bc A3 | B>AB c>Bc | 
 d2 g e2 f | g3 c2 B | A2 G B/G/ G2- | G6 :|  