Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
Q:1/4=120
M:2/2
K:D
['FA Af/g/ afed', 'FAAB ABAF', 'ab abaf'  
X:1
L:1/8
Q:1/4=120
M:2/2
K:D
 FA Af/g/ afed | gfed BdBG | FA Af/g/ afed | (e/f/g) (f/g/a) e2 d2 :: FAAB ABAF | G/G/G G2 GABG | 
 FAAB ABAF | GBAF E2 D2 :: (e/f/a) ab abaf | g/g/g g2 gabg | (f/g/a) ab abaf | gafg e2 d2 :|  