Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:2/2
K:D
['D/D/D (A>B)', 'D g f>dd>f g>feg f>dd>f afd>g f>dd>f'  
X:1
L:1/8
M:2/2
K:D
 F | D/D/D (A>B) A>FE>F | D/D/D (A>B) A>FA>B | (A/F/D/F/) (A/d/c/d/) A>FE>F | D/D/D (A>B) A>Bd>e | 
 f>dgf e>FE>F | D/D/D (A>B) A>F D :: g | f>dd>f g>feg | f>dd>f afd>g | f>dd>f g>fe>g | 
 a>gf>e d>efd | (e/f/g) (f/g/a) e>FE>F | D/D/D (A>B) A>FD :|  