Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/8
M:4/4
K:D
['F2 AF BFAF E2 BE dEBE', 'fd d2']  
X:1
L:1/8
M:4/4
K:D
|: dB | AF F2 EDB,D | F2 AF BFAF | E2 BE dEBE | ABde fedB | AF F2 EFDE | F2 AF BFAF | E2 BE dEBE | 
 ABde fd :: de | fd d2 dfag | fd d2 dfaf | eA A2 eAfA | eA A2 cdeg | fd d2 dfag | fd d2 dfaf | 
 g2 ef gbag | (3fga eg fd :|  