Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:3/4
K:D
['f4 g2 af d2 f2 ec A2', 'f2 egfedc'  
X:1
L:1/8
M:3/4
K:D
 f4 g2 | af d2 f2 | ec A2 g2 | Tf4 e2 | fe f2 ^g2 | a2 ^gfed | c2 BA^GB | A6 :: a2 gfed | 
 ef g2 f2 | egfedc | df e4 | d2 b2 a2 | g2 fe f2 | egfedc | d6 :|  