Create music compositions that adhere to the given structure and incorporate the provided musical concept.
X:1
L:1/8
M:2/2
K:D
['D,2 F,3 F, A,3 A, D4 z2']  
X:1
L:1/8
M:2/2
K:D
 D,2 | F,3 F, A,3 A, | D4 z2 D>C | B,2 C>^A, B,2 C>A, | B,4 z2 CD | E3 DC>B,A,>G, | F,4 A,4 | 
 B,3 E D2 C2 | D4 z2 |]  