Compose music that abides by the dictated structure and encompass the given theme
X:1
L:1/8
M:2/4
K:D
['D/E/F/G/ A2 A>B A2 F/E/D B2 B>A', 'd>A AA fd dc/d/'  
X:1
L:1/8
M:2/4
K:D
"^Slow" D/E/F/G/ | A2 A>B | A2 F/E/D | B2 B>A | Bd dB | BA AF | AF ED | E2 E>F | E2 D/E/F/G/ | 
 A2 A>B | A2 F/E/D | B2 B>A | Bd dB | BA AF | AF EF/E/ | D2 [dD]2 | [dD]2 z2 |:"^Fast" A | d>A AA | 
 fd dc/d/ | eA fA | dA AB/c/ | d>A AA | fd dc/d/ | e/f/e/d/ cB | A2 :|  