Design musical compositions that conform to the indicated framework and encompass the proposed musical concept.
X:1
L:1/4
Q:1/4=60
M:3/4
K:D
['c B']  
X:1
L:1/4
Q:1/4=60
M:3/4
K:D
"_vb" f/^g/ | a b a | f e A | c B B | B2 c/B/ | A B c | e f e | e c B | A2 B/c/ | d c B | 
 c B B/c/ | d e f | b2 a/b/ | c' b a | f e A/B/ | c B B | B2 |]  