Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:2/2
K:Amin
['A2 ae cBAc', 'ABcd ecBA']  
X:1
L:1/8
M:2/2
K:Amin
 E | A2 ae cBAc | BAGB gdBG | A2 ae cBAc | BGdB cAA :| B | ABcd ecBA | GdBd gdBG | ABcd ecBA | 
 BGdB cAAB | ABcd ecBA | GdBd gdBG | AcBd cedf | edcB cAA ||  