Write musical works that keep the predetermined structure and weave in the given motif
X:1
L:1/4
M:2/2
K:F
['d d c', 'a g'  
X:1
L:1/4
M:2/2
K:F
 f2 F f | e2- e d | B G E c | A2- A A | A d d c | =B2- B g | c3/2 d/ d3/2 c/ | c2- c f | f e e d | 
 d c c B | B A G F | E2- E A | A d d c | B A G F | E F F/4G/4A/ G/F/ | F2- F2 :| c2 G G/4A/4B/ | 
 A2- A e | f d g e | ^c2- c a | a g b a | g f e d | ^c d d/4e/4f/ e/d/ | d2- d f | A d d c | 
 B A G F | E F F/4G/4A/ G/F/ | F2- F2 ||  