Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:4/4
K:Amix
['A3 G']  
X:1
L:1/8
M:4/4
K:Amix
 A3 G Acec | A3 G EDEB | A3 B cded | BAGB dfed | A3 B cAec | A3 G EDEB | A3 B cded | BAGB dfeA | 
 (3Bcd ef gfed | (3Bcd ef edeA | (3Bcd ef gfge | dBGB dfeA | (3Bcd ed cded | cAAB cdef | 
 gfge dfed | BAGB dfec ||  