Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
M:2/4
K:D
['FA BA de f2 fe/f/ gc', 'ef/e/ ce fe'  
X:1
L:1/8
M:2/4
K:D
 FA BA | de f2 | fe/f/ gc | ed BA | FA BA | de f2 | fe/f/ gc | ed d2 :| ef/e/ ce | fe a2 | 
 ef/e/ ce | fe c/B/A | ef/e/ ce | fe a2 | ef/e/ cB | BA A2 :|  