Construct a piece of music by converting the stated musical sequence into an alphabetical format and integrating the supplied motif.
X:1
L:1/8
M:4/4
K:Amix
['a2 ec AAec BGGB', 'cAAa cAec']  
X:1
L:1/8
M:4/4
K:Amix
 e | a2 ec AAec | BGGB gedB | a2 ec AAec | BGGB e2 A :| a | cAAa cAec | BGGg BGdB | cAAa cAec | 
 BGGB e2 Aa | cAAa cAec | BGGg BGdB | cAAa ccec | BGGB e2 A ||  