オットリーノ・レスピーギ
In the "Spolek pro moderní hudbu" ("Society for Modern Music") Hoffmann collaborated with renowned Czech and foreign artists – Ilona Štěpánová-Kurzová, Rudolf Karel, Jaroslav Křička, Josef Bohuslav Förster, Ladislav Vycpálek, Jan Kunc, Arthur Honegger, Maurice Ravel, Ottorino Respighi and Paul Hindemith among others.