Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:12/8
K:D
['', 'c2 B', 'A2 B'  
X:1
L:1/8
M:12/8
K:D
 B |: c2 B B2 A FAF E2 A | F2 A E2 A F2 A E2 c | c2 B B2 A FAF E2 A | A2 B c2 B A3 A2 B :: 
 A2 B cBc e2 f ecB | A2 B c2 B cBA F2 B | A2 B cBc e2 c ecB | A2 B c2 B A3 A2 B :|  