Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:D
['F2 FG FEDE FAAB AFED d2 eg', 'D2 dBAG FDFA dfaf gfeg fAdf eAce'  
X:1
L:1/8
M:4/4
K:D
 F2 FG FEDE | FAAB AFED | d2 eg fdec | dBAF BE E2 | F2 FG FEDE | FAAB AFED | d2 eg fdec | 
 dBAG FD D2 :: dBAG FDFA | dfaf gfeg | fAdf eAce | dfed cA A2 | BDGB ADFA | dfaf gfed | cdec dBAG | 
 F2 EG FD D2 :|  