Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:4/4
K:Amix
['Aafd eAec Aafd gGdB Aafd eA (3efg', 'dGdB gAeA gAea gAeA gGdB gAeA gA', 'dGdB Aafd eAec Aafd gGdB Aafd eA', 'dGdB aAeA aAdB aAeA gGdB ABcd eA']  
X:1
L:1/8
M:4/4
K:Amix
|: Aafd eAec | Aafd gGdB | Aafd eA (3efg | (3agf ge dGdB :: gAeA gAea | gAeA gGdB | gAeA gA (3efg | 
 (3agf ge dGdB :: Aafd eAec | Aafd gGdB | Aafd eA (3efg | (3agf ge dGdB :: aAeA aAdB | aAeA gGdB | 
 ABcd eA (3efg | (3fga ef gGdB :|  