Richard Coeur de Lion (Grétry) duo Franz Kaisin, ten. & José Beckmans, bar. Polydor 1930. - YouTube

https://www.youtube.com/watch?v=p8OnglsLM_0

rare , only pubblished on the verso of la Muette for the French edition. The recording was made for the "centenaire" of Belgium, on Belgian pressings you wil...