Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:6/8
K:Bmin
['dcB F3', 'B3 B3 b3 B3 a3 B3 g3']  
X:1
L:1/8
M:6/8
K:Bmin
|: dcB F3 | Bdf edc | dcB F3 | B,DF EFA | dcB F3 | Bdf edc | dcB FBd | cBA B3 :: B3 b3 | B3 a3 | 
 B3 g3 | fgf edc | B3 bga | B3 gef | e3 efg | fdc B2 A :|  