Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/4
M:4/4
K:D
['d2 e2 f d', 'F A'  
X:1
L:1/4
M:4/4
K:D
 d2 e2 | f d d2 | B c e c | B A A2 | d2 e2 | f d e2 | B c e c | d3 |: A | F A A G | F A A G | 
 F A d e | e3 :|  