Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/16
M:2/4
K:A
["eac'a eac'2", 'fefg agaf e^def ecAc BABc dcdB']  
X:1
L:1/16
M:2/4
K:A
 e2 | eac'a eac'2 | Adfd Adf2 | eac'a eac'2 | babc' b4 | eac'a eac'2 | Adfd Adf2 | eac'a eac'2 | 
 babc' a2 :: a2 | fefg agaf | e^def ecAc | BABc dcdB | ABcd e2a2 | fefg agaf | e^def ecAc | 
 BABc dcdB | A2g2 a2 :|  