Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:D
['ADFA DEFG A2 G2 E3 F G2', 'edBc dedB A2'  
X:1
L:1/8
M:4/4
K:D
|: ADFA DEFG | A2 G2 E3 F | G2 E2 B3 B | B2 A2 F4 | ADFA DEFG | A2 G2 E3 F | G2 E2 B2 A2 | D4 D4 :: 
 f4 fedf | e3 e edBc | dedB A2 FA | B2 (3eee e2 de |1 f3 f fedf | e3 e edBc | dedB A2 (3FGA | 
 B2 (3ddd d4 :|2 fAff fAdf | eGee edBc | dedB A2 (3FGA | B2 d2 [Fd]4 ||  