Tuffs, A. "One in 20 East German Doctors Spied on Patients or Colleagues." Bmj 335.7630 (2007): 1113.
"Light up the Bonfires" (Взвейтесь кострами) was a popular song of the Young Pioneers.
The waltz is from the 1966 Soviet movie "Beware of the Car," a satirical heist film.
The famous Mark Bernes sang the sentimental tune "From What the Motherland Begins," from the popular 1968 spy series, "The Shield and the Sword."
"Die Nacht ist viel zu schoen" was a popular East German tune from 1956.
"Ich will nicht vergessen (Denk ich an Deutschland)" is sung by the East German band Pudhys, who gained popularity outside the GDR.
**Ronald Reagan's infamous quip about bombing the USSR was an off-the-cuff remark caught on a hot mic in 1984. The President was testing his microphone in preparation for his weekly radio address. Read more here.
[Musical Credits: Pond5; archive.org; Reign Supreme Kevin MacLeod (incompetech.com)]