Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
Q:1/4=120
M:4/4
K:D
['D<GG>A G>AGD E<AA>B A>BAG B>ABc d3/2e/4f/4 gd', 'A>BAG G>gg>a g>ag<d e>aa>b a>ba<g b>age d>eba']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:D
"_Allegro" D<GG>A G>AGD | E<AA>B A>BAG | B>ABc d3/2e/4f/4 gd | e<gd>B A>BAG :: G>gg>a g>ag<d | 
 e>aa>b a>ba<g | b>age d>eba | g>e d/e/f/B/ A>BA<G :|  