Design musical compositions that conform to the indicated framework and encompass the proposed musical concept.
X:1
L:1/4
M:2/4
K:Bb
['G2 E G F', 'B g'  
X:1
L:1/4
M:2/4
K:Bb
 D/E/ | F B D B | G2 E G | F f e/d/c/B/ | A c c3/2 e/ | d B F D | G2 E G | F B d/c/B/c/ | d B B :: 
 d/e/ | f B g B | f2 B g | f B g B | A c c d/e/ | f B g B | f d b B | e/d/c/B/ A f | d B B d/e/ | 
 f B g B | f2 B g | f B g B | A c c d/e/ | d B F D | G2 E G | F B d/c/B/c/ | d B B :|  