1947. 10 Berlin-Dahlem, Gemeindehaus Speech on 25th anniversary with BPO

1948. 11. 2 Lodon BBC Interview with H. N. Brailsford (in English)

1949. 8. 18 Salzburg Mozarteum Speech "Creators and Interpreters; Composer and Conductor as Enemies"  (preparing)

1950. 6. 11 Bremen Interview in BPO rehearsal on his philosophy of music

1950. 6. 22 Berlin Talks to Werner Egk at Berliner Hochschule Für Musik (preparing)

1951. 2. 27 Berlin Speech to teachers and pupils at Berliner Hochschule Für Musik (preparing)

1951. 8. 7 Salzburg Speech on Verdi and Wagner

1953. 4. 14 Berlin Talks to Dr. Erwin Kroll on modern attitudes to music  (preparing)

1953. 4. 29 Paris Talks to Fred Goldbeck (in French)  (preparing)

1953. 8. 26 Lucerne Two interviews with Swiss Critis Henry Jaton

1953. 9 Paris Talking on Beethoven interpretation (in French)

1953. 11. 27 Rome Talks to Liberati Ermete on his first concert (in Italian) (preparing)

1954. 3. 30 Stuttgart Interview in SDR rehearsal on his work as a composer

1954. 7. 26 Salzburg Speech on Weber's Freischütz

1954. 8. 22 Lucerne Interview on the Beethoven Ninth before performance