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:6/8
K:Bmin
['B3 BAF AFE EFE DFA def', 'dFF def afa b3 afa bff afa']  
X:1
L:1/8
M:6/8
K:Bmin
|: B3 BAF | AFE EFE | DFA def | afe dBA | B3 BAF | AFE EFE | DFA def |1 edB B2 A :|2 edB Bcd |: 
 e3 edB | AFF dFF | def afa | b3 afa | bff afa | baf edB | def afe |1 dBB Bcd :|2 dBA B2 A ||  