Build a composition using the stipulated musical framework and theme.
X:1
L:1/4
Q:3/4=90
M:6/4
K:Bb
['f d3/2 c/ d e2 f f', 'f2 f c3/2 f/ e d2 c'  
X:1
L:1/4
Q:3/4=90
M:6/4
K:Bb
 f | d3/2 c/ d e2 f | f g G c2 B | A3 f3 | b3/2 a/ g a2 g | d =e f f3/2 g/ e | f3- f2 :: f | 
 c3/2 f/ e d2 c | B c d b g b | a3 g3 | f3/2 e/ d e c e | d3/2 c/ d c A d | c3 B2 :|  