OJ 9/34, [16] Handwritten letter from Cube to Schenker, dated March 26, 1929

Cube is listening by radio to music being performed in Vienna. The two caricatures are his fellow composition teachers at Duisburg. Reports on his work at Cologne Conservatory: success with previous lectures, and forthcoming lecture series.

Diary entry by Schenker for 31 January 1927