Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:2/2
K:D
['f3 e d3 B ADFD ADFD f2', 'agfe d2 fd adfd (3cBA eA fAec'  
X:1
L:1/8
M:2/2
K:D
 f3 e d3 B | ADFD ADFD | f2 fe dfbf | afgf edBc | dB B2 BA^GB | ADFD ADFA | ba a2 fd d2 |1 
 egfe d2 de :|2 egfe d3 c |: d2 df a3 z | abgb agfe | d2 fd adfd | (3cBA eA fAec | d2 df a2 a2 | 
 abgb a3 f | g3 e f3 a |1 gfed cABc :|2 gfed cAce ||  