Design musical compositions that conform to the indicated framework and encompass the proposed musical concept.
X:1
L:1/8
Q:1/2=100
M:2/4
K:Bb
['B2 (3GFE D[B,B] DF', 'B4 B>df>d b>dc>B A>Bc>A a>cB>A G>AB>G g>ed>c', 'G4 f>d (3dcB b>a (3agf e>d (3dcB'  
X:1
L:1/8
Q:1/2=100
M:2/4
K:Bb
 B2 (3GFE | D[B,B] DF | B2 (3dcB | AFAc | B2 (3GFE | D[B,B] DF | d>B F>A | B4 :: B>df>d | b>dc>B | 
 A>Bc>A | a>cB>A | G>AB>G | g>ed>c | B>G B/A/G/^F/ | G4 :: f>d (3dcB | b>a (3agf | e>d (3dcB | 
 A>GF>E | DFBd | EGce | cAFA | B4 :|  