Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/8
M:6/8
K:A
['a3 Tg3 aed cBA Bcd', 'A,3 BGE EGB dBd cAc Bcd efg']  
X:1
L:1/8
M:6/8
K:A
 a3 Tg3 | aed cBA | Bcd cde | fdB ecA | a3 Tg3 | aed cBA | Bcd cdB | A3 A,3 :: BGE EGB | dBd cAc | 
 Bcd efg | afa geg | a3 Tg3 | aed cBA | Bcd cdB | A3 A,3 :|  