Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:2/4
K:F
['d c']  
X:1
L:1/8
M:2/4
K:F
 A c d f | c3 f | d c A/ c/ D | F4 | D F z G/ G/ | A d c A | G A/ c/ A G | F4 | A d c A | A c A D | 
 G/ G/ F/ G/ c E | D C/ D/ E3/2 D/ | C4 |]  