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:Bmin
['fe dcBA BAFA dcde fgfe dcBA FDFA', 'fedc defg']  
X:1
L:1/8
M:4/4
K:Bmin
 fe | dcBA BAFA | dcde fgfe | dcBA FDFA | BdcA B2 :| de | fedc defg | afbf afeg | fedc defg | 
 afdf e2 de | fedc defg | afbf a2 a2 | bfbf afaf | bfaf e2 ||  