Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:2/4
K:D
['Bd/B/ AF F/E/D/E/', 'D A f2 f>f ff ed ed', '(3A/B/c/ df'  
X:1
L:1/8
M:2/4
K:D
 A/B/ | AF Af | ed Bd/B/ | AF F/E/D/E/ | FE EA/B/ | AF Af | (3e/f/e/d Bd/B/ | AF F/E/D/E/ | FD D || 
 A | f2 f>f | ff ed | ed B/c/d/B/ | A3 (3B/c/d/ | e2 A>B | (3A/B/A/G FG | A/>B/ (3c/d/e/ f>e | 
 d2 z || (3A/B/c/ | df f (3A/B/c/ | df f(3A/B/c/ | de/f/ gf e2 z (3A/B/c/ | df f(3A/B/c/ | df f>g | 
 aa g/f/e/c/ | d2 z ||  