Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
Q:1/4=120
M:3/4
K:F
['A2 _D=D- DE FE DC E2 DE']  
X:1
L:1/8
Q:1/4=120
M:3/4
K:F
 A2 _D=D- DE | FE DC E2 | DE FG BA | AG FF E2 | c2 EF- FG | Ad cB- BA | GF FA- AG | FG ED- D2 |]  