Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/4
Q:1/4=120
M:2/2
K:F
['F2 c2 A3 d c']  
X:1
L:1/4
Q:1/4=120
M:2/2
K:F
 F2 c2 | A3 d | c A G F | G E D C | F2 c2 | A3 d | c f d g | e4 | e2 g2 | c3 e | f c c A | d3 c | 
 d B B G | E G C c | (B A) (G F) | F4 |]  