Küchelbecker was a Russian poet who saw exile under one corrupt Russian regime, Shostakovich experienced constant harrassment from another corrupt - now Soviet regime. I'm sure there was some empathetic feeling in these words:
O Delvig, Delvig! What is the rewardA cynical, old composer, but he, in the end draws something of a consolation in this setting.
for lofty deeds and poetry?
For talent what comfort is there
among villains and fools?