Gramophone: outstanding; Music Web International: outstanding. After outbreak of World War II Koechlin had hardly composed anymore and fell into kind of paralysis. With „Le buisson ardent“ the former near-graphomaniac, who had filled hundreds of pages every day and then only made gradual recovery with short solo pieces, suddenly became creative again. Especially the first part of „Le buisson ardent“ mirrors this rebirth. On the other hand „Le course de printemps“ is almost a hymn to the power of youth.“ (from an interview with Heinz Holliger)