Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:2/4
K:D
['d3 c cB B2 c3 B BAAD']  
X:1
L:1/8
M:2/4
K:D
 d3 c | cB B2 | c3 B | BAAD | DFFA | A3 F | AAGG | F2 z2 |]  