Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:Bmin
['B2 AB GFEG FB, (3B,B,B, AGFE DEFD', 'z2 fd (3ddd edcd Bc (3ccc cBAc'  
X:1
L:1/8
M:4/4
K:Bmin
|: B2 AB GFEG | FB, (3B,B,B, AGFE | DEFD EDCE | B,F (3FFF GFAF | B2 AB GFEG | FB, (3B,B,B, AGFE | 
 DEFD EDCE | (3DDD CD B,2 z2 :: fd (3ddd edcd | Bc (3ccc cBAc | BFGE FDCD | C3 D EFdc | A3 B E3 G | 
 FBdc Bf g2 | cd (3ddd cA (F2 | F) EFA B2 z2 :|  